diff --git a/src/doc/book b/src/doc/book
index f1e5ad844d0c6..aa5ee485bd6bd 160000
--- a/src/doc/book
+++ b/src/doc/book
@@ -1 +1 @@
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+Subproject commit aa5ee485bd6bd80d205da7c82fcdd776f92fdd51
diff --git a/src/doc/reference b/src/doc/reference
index f6ed74f582bdd..4ea7c5def38ac 160000
--- a/src/doc/reference
+++ b/src/doc/reference
@@ -1 +1 @@
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+Subproject commit 4ea7c5def38ac81df33a9e48e5637a82a5ac404d
diff --git a/src/doc/rust-by-example b/src/doc/rust-by-example
index 5e7b296d6c345..03491f33375c5 160000
--- a/src/doc/rust-by-example
+++ b/src/doc/rust-by-example
@@ -1 +1 @@
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diff --git a/src/doc/rustc-dev-guide b/src/doc/rustc-dev-guide
index 7518c3445dc02..51a37ad19a157 160000
--- a/src/doc/rustc-dev-guide
+++ b/src/doc/rustc-dev-guide
@@ -1 +1 @@
-Subproject commit 7518c3445dc02df0d196f5f84e568d633c5141fb
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