diff --git a/COPYRIGHT b/COPYRIGHT
index d06a3d32..07892771 100644
--- a/COPYRIGHT
+++ b/COPYRIGHT
@@ -60,7 +60,7 @@ Zach Oakes <zsoakes@gmail.com>
 Zach Ploskey <zach@ploskey.com>
 
 The Gtk-rs Project is licensed under the MIT license, see the LICENSE file
-or <http://opensource.org/licenses/MIT>.
+or <https://opensource.org/licenses/MIT>.
 
 This project provides interoperability with various GNOME libraries but doesn't
 distribute any parts of them. Distributing compiled libraries and executables
diff --git a/Cargo.toml b/Cargo.toml
index bd9fd7c8..2f76b55d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "glib"
-documentation = "http://gtk-rs.org/docs/glib/"
-homepage = "http://gtk-rs.org/"
+documentation = "https://gtk-rs.org/docs/glib/"
+homepage = "https://gtk-rs.org/"
 authors = ["The Gtk-rs Project Developers"]
 description = "Rust bindings for the GLib library"
 readme = "README.md"
diff --git a/README.md b/README.md
index e8a93c65..2c04c6f7 100644
--- a/README.md
+++ b/README.md
@@ -6,9 +6,9 @@ Alongside GLib bindings, this crate also includes the infrastructure to
 subclass `GObject` for extending libraries like GTK+. A code example can
 be found in the documentation of this crate in the `subclass` module.
 
-- [Gtk-rs project site](http://gtk-rs.org/)
+- [Gtk-rs project site](https://gtk-rs.org/)
 
-- [Online documentation](http://gtk-rs.org/docs/)
+- [Online documentation](https://gtk-rs.org/docs-src/)
 
 - [Readme](https://github.com/gtk-rs/gtk/blob/master/README.md) in our
   [main repo](https://github.com/gtk-rs/gtk)
diff --git a/glib-macros/Cargo.toml b/glib-macros/Cargo.toml
index b1f73ed8..bdb3d54f 100644
--- a/glib-macros/Cargo.toml
+++ b/glib-macros/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "glib-macros"
-documentation = "http://gtk-rs.org/docs/glib-macros/"
-homepage = "http://gtk-rs.org/"
+documentation = "https://gtk-rs.org/docs/glib-macros/"
+homepage = "https://gtk-rs.org/"
 authors = ["The Gtk-rs Project Developers"]
 description = "Rust bindings for the GLib library, proc macros crate"
 version = "0.10.0"
diff --git a/glib-macros/src/gboxed_derive.rs b/glib-macros/src/gboxed_derive.rs
index e0485b3a..4ddc0d11 100644
--- a/glib-macros/src/gboxed_derive.rs
+++ b/glib-macros/src/gboxed_derive.rs
@@ -1,6 +1,6 @@
 // Copyright 2020, The Gtk-rs Project Developers.
 // See the COPYRIGHT file at the top-level directory of this distribution.
-// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>
+// Licensed under the MIT license, see the LICENSE file or <https://opensource.org/licenses/MIT>
 
 use proc_macro2::{Ident, TokenStream};
 use proc_macro_error::abort_call_site;
diff --git a/glib-macros/src/genum_derive.rs b/glib-macros/src/genum_derive.rs
index 2241d4da..4fb28c15 100644
--- a/glib-macros/src/genum_derive.rs
+++ b/glib-macros/src/genum_derive.rs
@@ -1,6 +1,6 @@
 // Copyright 2020, The Gtk-rs Project Developers.
 // See the COPYRIGHT file at the top-level directory of this distribution.
-// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>
+// Licensed under the MIT license, see the LICENSE file or <https://opensource.org/licenses/MIT>
 
 use heck::{CamelCase, KebabCase, SnakeCase};
 use proc_macro2::TokenStream;
diff --git a/glib-macros/src/gflags_attribute.rs b/glib-macros/src/gflags_attribute.rs
index 4cd73982..d2fae9e7 100644
--- a/glib-macros/src/gflags_attribute.rs
+++ b/glib-macros/src/gflags_attribute.rs
@@ -1,6 +1,6 @@
 // Copyright 2020, The Gtk-rs Project Developers.
 // See the COPYRIGHT file at the top-level directory of this distribution.
-// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>
+// Licensed under the MIT license, see the LICENSE file or <https://opensource.org/licenses/MIT>
 
 use heck::{CamelCase, KebabCase, SnakeCase};
 use proc_macro2::TokenStream;
diff --git a/glib-macros/src/lib.rs b/glib-macros/src/lib.rs
index ab2960c7..0fc18143 100644
--- a/glib-macros/src/lib.rs
+++ b/glib-macros/src/lib.rs
@@ -1,6 +1,6 @@
 // Copyright 2020, The Gtk-rs Project Developers.
 // See the COPYRIGHT file at the top-level directory of this distribution.
-// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>
+// Licensed under the MIT license, see the LICENSE file or <https://opensource.org/licenses/MIT>
 
 extern crate proc_macro;
 
diff --git a/glib-macros/src/utils.rs b/glib-macros/src/utils.rs
index ec84c11f..96b68a56 100644
--- a/glib-macros/src/utils.rs
+++ b/glib-macros/src/utils.rs
@@ -1,6 +1,6 @@
 // Copyright 2020, The Gtk-rs Project Developers.
 // See the COPYRIGHT file at the top-level directory of this distribution.
-// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>
+// Licensed under the MIT license, see the LICENSE file or <https://opensource.org/licenses/MIT>
 
 use anyhow::{bail, Result};
 use itertools::Itertools;
diff --git a/glib-macros/tests/test.rs b/glib-macros/tests/test.rs
index df191cc2..38cc8cec 100644
--- a/glib-macros/tests/test.rs
+++ b/glib-macros/tests/test.rs
@@ -1,6 +1,6 @@
 // Copyright 2020, The Gtk-rs Project Developers.
 // See the COPYRIGHT file at the top-level directory of this distribution.
-// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>
+// Licensed under the MIT license, see the LICENSE file or <https://opensource.org/licenses/MIT>
 
 use ::glib_macros::{gflags, GBoxed, GEnum};
 use glib::prelude::*;
diff --git a/src/boxed.rs b/src/boxed.rs
index e0e77b35..c611c0d1 100644
--- a/src/boxed.rs
+++ b/src/boxed.rs
@@ -1,6 +1,6 @@
 // Copyright 2015-2016, The Gtk-rs Project Developers.
 // See the COPYRIGHT file at the top-level directory of this distribution.
-// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>
+// Licensed under the MIT license, see the LICENSE file or <https://opensource.org/licenses/MIT>
 
 //! `IMPL` Boxed wrapper implementation.
 
diff --git a/src/bridged_logging.rs b/src/bridged_logging.rs
index 1bf2f88d..2d921ca2 100644
--- a/src/bridged_logging.rs
+++ b/src/bridged_logging.rs
@@ -1,6 +1,6 @@
 // Copyright 2020, The Gtk-rs Project Developers.
 // See the COPYRIGHT file at the top-level directory of this distribution.
-// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>
+// Licensed under the MIT license, see the LICENSE file or <https://opensource.org/licenses/MIT>
 
 extern crate log as rs_log;
 
diff --git a/src/byte_array.rs b/src/byte_array.rs
index 71c8ea23..f783151c 100644
--- a/src/byte_array.rs
+++ b/src/byte_array.rs
@@ -1,6 +1,6 @@
 // Copyright 2019, The Gtk-rs Project Developers.
 // See the COPYRIGHT file at the top-level directory of this distribution.
-// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>
+// Licensed under the MIT license, see the LICENSE file or <https://opensource.org/licenses/MIT>
 
 //! # Examples
 //!
diff --git a/src/bytes.rs b/src/bytes.rs
index be10aa2a..8855f82f 100644
--- a/src/bytes.rs
+++ b/src/bytes.rs
@@ -1,6 +1,6 @@
 // Copyright 2013-2016, The Gtk-rs Project Developers.
 // See the COPYRIGHT file at the top-level directory of this distribution.
-// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>
+// Licensed under the MIT license, see the LICENSE file or <https://opensource.org/licenses/MIT>
 
 use glib_sys;
 use std::borrow::Borrow;
diff --git a/src/checksum.rs b/src/checksum.rs
index af8d9c6d..ef9c55d2 100644
--- a/src/checksum.rs
+++ b/src/checksum.rs
@@ -1,6 +1,6 @@
 // Copyright 2013-2016, The Gtk-rs Project Developers.
 // See the COPYRIGHT file at the top-level directory of this distribution.
-// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>
+// Licensed under the MIT license, see the LICENSE file or <https://opensource.org/licenses/MIT>
 
 use glib_sys;
 use libc::size_t;
diff --git a/src/closure.rs b/src/closure.rs
index 8d4132a7..8acdf29e 100644
--- a/src/closure.rs
+++ b/src/closure.rs
@@ -1,6 +1,6 @@
 // Copyright 2013-2017, The Gtk-rs Project Developers.
 // See the COPYRIGHT file at the top-level directory of this distribution.
-// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>
+// Licensed under the MIT license, see the LICENSE file or <https://opensource.org/licenses/MIT>
 
 // TODO: support marshaller.
 
diff --git a/src/date.rs b/src/date.rs
index 6e7fb2e4..1726c58c 100644
--- a/src/date.rs
+++ b/src/date.rs
@@ -1,6 +1,6 @@
 // Copyright 2017, The Gtk-rs Project Developers.
 // See the COPYRIGHT file at the top-level directory of this distribution.
-// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>
+// Licensed under the MIT license, see the LICENSE file or <https://opensource.org/licenses/MIT>
 
 use glib_sys;
 use gobject_sys;
diff --git a/src/enums.rs b/src/enums.rs
index 56e827bb..82d25591 100644
--- a/src/enums.rs
+++ b/src/enums.rs
@@ -1,6 +1,6 @@
 // Copyright 2015-2016, The Gtk-rs Project Developers.
 // See the COPYRIGHT file at the top-level directory of this distribution.
-// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>
+// Licensed under the MIT license, see the LICENSE file or <https://opensource.org/licenses/MIT>
 
 use glib_sys;
 use gobject_sys;
diff --git a/src/error.rs b/src/error.rs
index 604fc527..152dbb8d 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -1,6 +1,6 @@
 // Copyright 2016, The Gtk-rs Project Developers.
 // See the COPYRIGHT file at the top-level directory of this distribution.
-// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>
+// Licensed under the MIT license, see the LICENSE file or <https://opensource.org/licenses/MIT>
 
 //! `Error` binding and helper trait.
 
diff --git a/src/file_error.rs b/src/file_error.rs
index ea905bb8..c57d3393 100644
--- a/src/file_error.rs
+++ b/src/file_error.rs
@@ -1,6 +1,6 @@
 // Copyright 2016, The Gtk-rs Project Developers.
 // See the COPYRIGHT file at the top-level directory of this distribution.
-// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>
+// Licensed under the MIT license, see the LICENSE file or <https://opensource.org/licenses/MIT>
 
 use error::ErrorDomain;
 use glib_sys;
diff --git a/src/gobject/mod.rs b/src/gobject/mod.rs
index 9cc684d3..c48a33ca 100644
--- a/src/gobject/mod.rs
+++ b/src/gobject/mod.rs
@@ -1,6 +1,6 @@
 // Copyright 2018, The Gtk-rs Project Developers.
 // See the COPYRIGHT file at the top-level directory of this distribution.
-// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>
+// Licensed under the MIT license, see the LICENSE file or <https://opensource.org/licenses/MIT>
 
 //! GObject bindings
 
diff --git a/src/gstring.rs b/src/gstring.rs
index 16bb8f16..ca49fda6 100644
--- a/src/gstring.rs
+++ b/src/gstring.rs
@@ -1,6 +1,6 @@
 // Copyright 2018, The Gtk-rs Project Developers.
 // See the COPYRIGHT file at the top-level directory of this distribution.
-// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>
+// Licensed under the MIT license, see the LICENSE file or <https://opensource.org/licenses/MIT>
 
 use libc;
 use std::borrow::Borrow;
diff --git a/src/key_file.rs b/src/key_file.rs
index 8b9a5cc1..d6ac134d 100644
--- a/src/key_file.rs
+++ b/src/key_file.rs
@@ -1,6 +1,6 @@
 // Copyright 2015-2016, The Gtk-rs Project Developers.
 // See the COPYRIGHT file at the top-level directory of this distribution.
-// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>
+// Licensed under the MIT license, see the LICENSE file or <https://opensource.org/licenses/MIT>
 
 use auto::KeyFileFlags;
 use error::Error;
diff --git a/src/lib.rs b/src/lib.rs
index 2c2c418c..1f4d1767 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,6 +1,6 @@
 // Copyright 2013-2016, The Gtk-rs Project Developers.
 // See the COPYRIGHT file at the top-level directory of this distribution.
-// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>
+// Licensed under the MIT license, see the LICENSE file or <https://opensource.org/licenses/MIT>
 
 //! # **glib**, **gobject** and **gio** bindings for Rust
 //!
diff --git a/src/log.rs b/src/log.rs
index 562140c9..1bcd98ad 100644
--- a/src/log.rs
+++ b/src/log.rs
@@ -1,6 +1,6 @@
 // Copyright 2020, The Gtk-rs Project Developers.
 // See the COPYRIGHT file at the top-level directory of this distribution.
-// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>
+// Licensed under the MIT license, see the LICENSE file or <https://opensource.org/licenses/MIT>
 
 use glib_sys;
 use once_cell::sync::Lazy;
diff --git a/src/main_context.rs b/src/main_context.rs
index 60f012eb..a79541fd 100644
--- a/src/main_context.rs
+++ b/src/main_context.rs
@@ -1,6 +1,6 @@
 // Copyright 2015-2016, The Gtk-rs Project Developers.
 // See the COPYRIGHT file at the top-level directory of this distribution.
-// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>
+// Licensed under the MIT license, see the LICENSE file or <https://opensource.org/licenses/MIT>
 
 use glib_sys::{self, gboolean, gpointer};
 use source::Priority;
diff --git a/src/main_context_channel.rs b/src/main_context_channel.rs
index 467a9d21..464d5bbd 100644
--- a/src/main_context_channel.rs
+++ b/src/main_context_channel.rs
@@ -1,6 +1,6 @@
 // Copyright 2019, The Gtk-rs Project Developers.
 // See the COPYRIGHT file at the top-level directory of this distribution.
-// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>
+// Licensed under the MIT license, see the LICENSE file or <https://opensource.org/licenses/MIT>
 
 use glib_sys;
 use std::collections::VecDeque;
diff --git a/src/main_context_futures.rs b/src/main_context_futures.rs
index 1d1f08fc..5332f678 100644
--- a/src/main_context_futures.rs
+++ b/src/main_context_futures.rs
@@ -1,6 +1,6 @@
 // Copyright 2018, The Gtk-rs Project Developers.
 // See the COPYRIGHT file at the top-level directory of this distribution.
-// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>
+// Licensed under the MIT license, see the LICENSE file or <https://opensource.org/licenses/MIT>
 
 use futures_core::future::Future;
 use futures_core::task::{Context, Poll, RawWaker, RawWakerVTable, Waker};
diff --git a/src/object.rs b/src/object.rs
index ae055fe4..65f0f65a 100644
--- a/src/object.rs
+++ b/src/object.rs
@@ -1,6 +1,6 @@
 // Copyright 2015-2016, The Gtk-rs Project Developers.
 // See the COPYRIGHT file at the top-level directory of this distribution.
-// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>
+// Licensed under the MIT license, see the LICENSE file or <https://opensource.org/licenses/MIT>
 
 //! `IMPL` Object wrapper implementation and `Object` binding.
 
diff --git a/src/param_spec.rs b/src/param_spec.rs
index 78633c39..abdd3cee 100644
--- a/src/param_spec.rs
+++ b/src/param_spec.rs
@@ -1,6 +1,6 @@
 // Copyright 2018, The Gtk-rs Project Developers.
 // See the COPYRIGHT file at the top-level directory of this distribution.
-// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>
+// Licensed under the MIT license, see the LICENSE file or <https://opensource.org/licenses/MIT>
 use gobject_sys;
 use libc;
 use translate::*;
diff --git a/src/quark.rs b/src/quark.rs
index 3718aab8..a8bf49e1 100644
--- a/src/quark.rs
+++ b/src/quark.rs
@@ -1,6 +1,6 @@
 // Copyright 2018, The Gtk-rs Project Developers.
 // See the COPYRIGHT file at the top-level directory of this distribution.
-// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>
+// Licensed under the MIT license, see the LICENSE file or <https://opensource.org/licenses/MIT>
 
 use glib_sys;
 use std::ffi::CStr;
diff --git a/src/send_unique.rs b/src/send_unique.rs
index 3a0f039d..07e01b78 100644
--- a/src/send_unique.rs
+++ b/src/send_unique.rs
@@ -1,6 +1,6 @@
 // Copyright 2018, The Gtk-rs Project Developers.
 // See the COPYRIGHT file at the top-level directory of this distribution.
-// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>
+// Licensed under the MIT license, see the LICENSE file or <https://opensource.org/licenses/MIT>
 
 use std::cell::RefCell;
 use std::ops;
diff --git a/src/shared.rs b/src/shared.rs
index 6323aeff..e49d51fa 100644
--- a/src/shared.rs
+++ b/src/shared.rs
@@ -1,6 +1,6 @@
 // Copyright 2015-2016, The Gtk-rs Project Developers.
 // See the COPYRIGHT file at the top-level directory of this distribution.
-// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>
+// Licensed under the MIT license, see the LICENSE file or <https://opensource.org/licenses/MIT>
 
 //! `IMPL` Shared (reference counted) wrapper implementation.
 
diff --git a/src/signal.rs b/src/signal.rs
index 997c37e9..e7ff2e7c 100644
--- a/src/signal.rs
+++ b/src/signal.rs
@@ -1,6 +1,6 @@
 // Copyright 2015, The Gtk-rs Project Developers.
 // See the COPYRIGHT file at the top-level directory of this distribution.
-// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>
+// Licensed under the MIT license, see the LICENSE file or <https://opensource.org/licenses/MIT>
 
 //! `IMPL` Low level signal support.
 
diff --git a/src/source.rs b/src/source.rs
index fc70ace1..0a7a865b 100644
--- a/src/source.rs
+++ b/src/source.rs
@@ -1,6 +1,6 @@
 // Copyright 2013-2018, The Gtk-rs Project Developers.
 // See the COPYRIGHT file at the top-level directory of this distribution.
-// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>
+// Licensed under the MIT license, see the LICENSE file or <https://opensource.org/licenses/MIT>
 
 use glib_sys::{self, gboolean, gpointer};
 #[cfg(all(not(unix), feature = "dox"))]
diff --git a/src/source_futures.rs b/src/source_futures.rs
index ea628f71..74673bf2 100644
--- a/src/source_futures.rs
+++ b/src/source_futures.rs
@@ -1,6 +1,6 @@
 // Copyright 2018, The Gtk-rs Project Developers.
 // See the COPYRIGHT file at the top-level directory of this distribution.
-// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>
+// Licensed under the MIT license, see the LICENSE file or <https://opensource.org/licenses/MIT>
 
 use futures_channel::{mpsc, oneshot};
 use futures_core::future::Future;
diff --git a/src/string.rs b/src/string.rs
index b263559c..c5f89c45 100644
--- a/src/string.rs
+++ b/src/string.rs
@@ -1,6 +1,6 @@
 // Copyright 2018, The Gtk-rs Project Developers.
 // See the COPYRIGHT file at the top-level directory of this distribution.
-// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>
+// Licensed under the MIT license, see the LICENSE file or <https://opensource.org/licenses/MIT>
 
 use glib_sys;
 use gobject_sys;
diff --git a/src/subclass/boxed.rs b/src/subclass/boxed.rs
index f0bea418..4f8a4ab6 100644
--- a/src/subclass/boxed.rs
+++ b/src/subclass/boxed.rs
@@ -1,6 +1,6 @@
 // Copyright 2018, The Gtk-rs Project Developers.
 // See the COPYRIGHT file at the top-level directory of this distribution.
-// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>
+// Licensed under the MIT license, see the LICENSE file or <https://opensource.org/licenses/MIT>
 
 //! Module for registering boxed types for Rust types.
 
diff --git a/src/subclass/interface.rs b/src/subclass/interface.rs
index 0ed7d0b0..707cd933 100644
--- a/src/subclass/interface.rs
+++ b/src/subclass/interface.rs
@@ -1,6 +1,6 @@
 // Copyright 2019, The Gtk-rs Project Developers.
 // See the COPYRIGHT file at the top-level directory of this distribution.
-// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>
+// Licensed under the MIT license, see the LICENSE file or <https://opensource.org/licenses/MIT>
 
 use super::{InitializingType, Property};
 use glib_sys;
diff --git a/src/subclass/mod.rs b/src/subclass/mod.rs
index 00c7eca1..bb5998e5 100644
--- a/src/subclass/mod.rs
+++ b/src/subclass/mod.rs
@@ -1,6 +1,6 @@
 // Copyright 2017-2018, The Gtk-rs Project Developers.
 // See the COPYRIGHT file at the top-level directory of this distribution.
-// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>
+// Licensed under the MIT license, see the LICENSE file or <https://opensource.org/licenses/MIT>
 
 //! Module containing infrastructure for subclassing `GObject`s and registering boxed types.
 //!
diff --git a/src/subclass/object.rs b/src/subclass/object.rs
index b758c42f..46c9a8b3 100644
--- a/src/subclass/object.rs
+++ b/src/subclass/object.rs
@@ -1,6 +1,6 @@
 // Copyright 2017-2018, The Gtk-rs Project Developers.
 // See the COPYRIGHT file at the top-level directory of this distribution.
-// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>
+// Licensed under the MIT license, see the LICENSE file or <https://opensource.org/licenses/MIT>
 
 //! Module that contains all types needed for creating a direct subclass of `GObject`
 //! or implementing virtual methods of it.
diff --git a/src/subclass/simple.rs b/src/subclass/simple.rs
index 8b3d9546..556d5bdc 100644
--- a/src/subclass/simple.rs
+++ b/src/subclass/simple.rs
@@ -1,6 +1,6 @@
 // Copyright 2017-2018, The Gtk-rs Project Developers.
 // See the COPYRIGHT file at the top-level directory of this distribution.
-// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>
+// Licensed under the MIT license, see the LICENSE file or <https://opensource.org/licenses/MIT>
 
 //! This module contains simple instance and class structs to be used for
 //! `GObject` subclasses that don't require any additional data in these
diff --git a/src/subclass/types.rs b/src/subclass/types.rs
index ae0e8332..f8c50ee4 100644
--- a/src/subclass/types.rs
+++ b/src/subclass/types.rs
@@ -1,6 +1,6 @@
 // Copyright 2017-2018, The Gtk-rs Project Developers.
 // See the COPYRIGHT file at the top-level directory of this distribution.
-// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>
+// Licensed under the MIT license, see the LICENSE file or <https://opensource.org/licenses/MIT>
 
 //! Module that contains the basic infrastructure for subclassing `GObject`.
 
diff --git a/src/thread_pool.rs b/src/thread_pool.rs
index 21c44178..0468856f 100644
--- a/src/thread_pool.rs
+++ b/src/thread_pool.rs
@@ -1,6 +1,6 @@
 // Copyright 2020, The Gtk-rs Project Developers.
 // See the COPYRIGHT file at the top-level directory of this distribution.
-// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>
+// Licensed under the MIT license, see the LICENSE file or <https://opensource.org/licenses/MIT>
 
 use glib_sys;
 use translate::*;
diff --git a/src/time_val.rs b/src/time_val.rs
index 32bcc4a9..c82feda7 100644
--- a/src/time_val.rs
+++ b/src/time_val.rs
@@ -1,6 +1,6 @@
 // Copyright 2013-2015, The Gtk-rs Project Developers.
 // See the COPYRIGHT file at the top-level directory of this distribution.
-// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>
+// Licensed under the MIT license, see the LICENSE file or <https://opensource.org/licenses/MIT>
 
 use glib_sys;
 use std::mem;
diff --git a/src/translate.rs b/src/translate.rs
index 1f6e394a..9136b423 100644
--- a/src/translate.rs
+++ b/src/translate.rs
@@ -1,6 +1,6 @@
 // Copyright 2015, The Gtk-rs Project Developers.
 // See the COPYRIGHT file at the top-level directory of this distribution.
-// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>
+// Licensed under the MIT license, see the LICENSE file or <https://opensource.org/licenses/MIT>
 
 //! Translation between GLib/GLib-based FFI types and their Rust counterparts.
 //!
diff --git a/src/types.rs b/src/types.rs
index 51c5c8bd..73eab83d 100644
--- a/src/types.rs
+++ b/src/types.rs
@@ -1,6 +1,6 @@
 // Copyright 2015-2016, The Gtk-rs Project Developers.
 // See the COPYRIGHT file at the top-level directory of this distribution.
-// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>
+// Licensed under the MIT license, see the LICENSE file or <https://opensource.org/licenses/MIT>
 
 //! Runtime type information.
 
diff --git a/src/utils.rs b/src/utils.rs
index 364fe9cc..eb41a041 100644
--- a/src/utils.rs
+++ b/src/utils.rs
@@ -1,6 +1,6 @@
 // Copyright 2015-2016, The Gtk-rs Project Developers.
 // See the COPYRIGHT file at the top-level directory of this distribution.
-// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>
+// Licensed under the MIT license, see the LICENSE file or <https://opensource.org/licenses/MIT>
 
 use error::BoolError;
 use glib_sys;
diff --git a/src/value.rs b/src/value.rs
index f8898967..afa59869 100644
--- a/src/value.rs
+++ b/src/value.rs
@@ -1,6 +1,6 @@
 // Copyright 2013-2016, The Gtk-rs Project Developers.
 // See the COPYRIGHT file at the top-level directory of this distribution.
-// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>
+// Licensed under the MIT license, see the LICENSE file or <https://opensource.org/licenses/MIT>
 
 //! `Value` binding and helper traits.
 //!
diff --git a/src/value_array.rs b/src/value_array.rs
index 62946fb2..7c3c05aa 100644
--- a/src/value_array.rs
+++ b/src/value_array.rs
@@ -1,6 +1,6 @@
 // Copyright 2018, The Gtk-rs Project Developers.
 // See the COPYRIGHT file at the top-level directory of this distribution.
-// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>
+// Licensed under the MIT license, see the LICENSE file or <https://opensource.org/licenses/MIT>
 
 use glib_sys;
 use gobject_sys;
diff --git a/src/variant.rs b/src/variant.rs
index fa7aa5e9..8019945e 100644
--- a/src/variant.rs
+++ b/src/variant.rs
@@ -1,6 +1,6 @@
 // Copyright 2013-2016, The Gtk-rs Project Developers.
 // See the COPYRIGHT file at the top-level directory of this distribution.
-// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>
+// Licensed under the MIT license, see the LICENSE file or <https://opensource.org/licenses/MIT>
 
 //! `Variant` binding and helper traits.
 //!
diff --git a/src/variant_dict.rs b/src/variant_dict.rs
index 3a77eda8..0497b1b4 100644
--- a/src/variant_dict.rs
+++ b/src/variant_dict.rs
@@ -1,6 +1,6 @@
 // Copyright 2020, The Gtk-rs Project Developers.
 // See the COPYRIGHT file at the top-level directory of this distribution.
-// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>
+// Licensed under the MIT license, see the LICENSE file or <https://opensource.org/licenses/MIT>
 
 use std::borrow::Cow;
 use std::default::Default;
diff --git a/src/variant_iter.rs b/src/variant_iter.rs
index 919f745b..34ba55ab 100644
--- a/src/variant_iter.rs
+++ b/src/variant_iter.rs
@@ -1,6 +1,6 @@
 // Copyright 2020, The Gtk-rs Project Developers.
 // See the COPYRIGHT file at the top-level directory of this distribution.
-// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>
+// Licensed under the MIT license, see the LICENSE file or <https://opensource.org/licenses/MIT>
 
 // This is similar to the GVariantIter provided by glib, but that would
 // introduce a heap allocation and doesn't provide a way to determine how
diff --git a/src/variant_type.rs b/src/variant_type.rs
index 1a83fa9f..a1de8ae5 100644
--- a/src/variant_type.rs
+++ b/src/variant_type.rs
@@ -1,6 +1,6 @@
 // Copyright 2013-2016, The Gtk-rs Project Developers.
 // See the COPYRIGHT file at the top-level directory of this distribution.
-// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>
+// Licensed under the MIT license, see the LICENSE file or <https://opensource.org/licenses/MIT>
 
 use glib_sys;
 use gobject_sys;
diff --git a/src/wrapper.rs b/src/wrapper.rs
index 8b08e2e7..73d70337 100644
--- a/src/wrapper.rs
+++ b/src/wrapper.rs
@@ -1,6 +1,6 @@
 // Copyright 2015-2016, The Gtk-rs Project Developers.
 // See the COPYRIGHT file at the top-level directory of this distribution.
-// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>
+// Licensed under the MIT license, see the LICENSE file or <https://opensource.org/licenses/MIT>
 
 //! `IMPL` The `glib_wrapper!` macro and miscellaneous wrapper traits.