diff --git a/Cargo.lock b/Cargo.lock
index e63781c3803..548332c0f36 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -177,7 +177,7 @@ dependencies = [
  "conduit-test 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "cookie 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "derive_deref 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "diesel 1.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "diesel 1.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "diesel_full_text_search 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "diesel_migrations 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "docopt 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -525,7 +525,7 @@ dependencies = [
 
 [[package]]
 name = "diesel"
-version = "1.4.1"
+version = "1.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -552,7 +552,7 @@ name = "diesel_full_text_search"
 version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "diesel 1.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "diesel 1.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1233,7 +1233,7 @@ name = "migrations_internals"
 version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "diesel 1.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "diesel 1.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1942,7 +1942,7 @@ name = "semver"
 version = "0.9.0"
 source = "git+https://github.com/steveklabnik/semver.git#27c2b066cc0d3818f8b2047388ce29be2e4c97e1"
 dependencies = [
- "diesel 1.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "diesel 1.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "semver-parser 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.89 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -2096,7 +2096,7 @@ name = "swirl"
 version = "0.1.0"
 source = "git+https://github.com/sgrif/swirl.git?rev=95d3a35bc39a7274335cad6d7cab64acd5eb3904#95d3a35bc39a7274335cad6d7cab64acd5eb3904"
 dependencies = [
- "diesel 1.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "diesel 1.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.89 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.39 (registry+https://github.com/rust-lang/crates.io-index)",
  "threadpool 1.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2734,7 +2734,7 @@ dependencies = [
 "checksum debug_unreachable 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "9a032eac705ca39214d169f83e3d3da290af06d8d1d344d1baad2fd002dca4b3"
 "checksum derive-error-chain 0.11.2 (registry+https://github.com/rust-lang/crates.io-index)" = "d5f8006bdd4c5b90d4571abe68285c6e9863122a5ee695ff3583e8e1dee8f28a"
 "checksum derive_deref 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "75977fd13de1d8a2b0db58cb124e8f1e63cf233917fea33065e8b214d1eccdb8"
-"checksum diesel 1.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "a2469cbcf1dfb9446e491cac4c493c2554133f87f7d041e892ac82e5cd36e863"
+"checksum diesel 1.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "8d24935ba50c4a8dc375a0fd1f8a2ba6bdbdc4125713126a74b965d6a01a06d7"
 "checksum diesel_derives 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "62a27666098617d52c487a41f70de23d44a1dc1f3aa5877ceba2790fb1f1cab4"
 "checksum diesel_full_text_search 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c6bb76b26499ddcd4672f4a47fa6cdf97b5dfbedf688c4e2f386ba576585b4ae"
 "checksum diesel_migrations 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "bf3cde8413353dc7f5d72fa8ce0b99a560a359d2c5ef1e5817ca731cd9008f4c"