diff --git a/src/doc/book b/src/doc/book
index 634724ea85ebb..4433c9f0cad84 160000
--- a/src/doc/book
+++ b/src/doc/book
@@ -1 +1 @@
-Subproject commit 634724ea85ebb08a542970bf8871ac8b0f77fd15
+Subproject commit 4433c9f0cad8460bee05ede040587f8a1fa3f1de
diff --git a/src/doc/reference b/src/doc/reference
index 8e0f593a30f3b..d4c66b346f4b7 160000
--- a/src/doc/reference
+++ b/src/doc/reference
@@ -1 +1 @@
-Subproject commit 8e0f593a30f3b56ddb0908fb7ab9249974e08738
+Subproject commit d4c66b346f4b72d29e70390a3fa3ea7d4e064db1
diff --git a/src/doc/rust-by-example b/src/doc/rust-by-example
index 21f4e32b8b40d..9baa9e863116c 160000
--- a/src/doc/rust-by-example
+++ b/src/doc/rust-by-example
@@ -1 +1 @@
-Subproject commit 21f4e32b8b40d36453fae16ec07ad4b857c445b6
+Subproject commit 9baa9e863116cb9524a177d5a5c475baac18928a