diff --git a/src/doc/book b/src/doc/book
index 4433c9f0cad84..8a6d44e45b7b5 160000
--- a/src/doc/book
+++ b/src/doc/book
@@ -1 +1 @@
-Subproject commit 4433c9f0cad8460bee05ede040587f8a1fa3f1de
+Subproject commit 8a6d44e45b7b564eeb6bae30507e1fbac439d72d
diff --git a/src/doc/reference b/src/doc/reference
index d4c66b346f4b7..50fc1628f3656 160000
--- a/src/doc/reference
+++ b/src/doc/reference
@@ -1 +1 @@
-Subproject commit d4c66b346f4b72d29e70390a3fa3ea7d4e064db1
+Subproject commit 50fc1628f36563958399123829c73755fa7a8421
diff --git a/src/doc/rust-by-example b/src/doc/rust-by-example
index 9baa9e863116c..05c7d8bae65f2 160000
--- a/src/doc/rust-by-example
+++ b/src/doc/rust-by-example
@@ -1 +1 @@
-Subproject commit 9baa9e863116cb9524a177d5a5c475baac18928a
+Subproject commit 05c7d8bae65f23a1837430c5a19be129d414f5ec