diff --git a/src/doc/book b/src/doc/book
index f78ab89d7545a..8c0eacd5c4acb 160000
--- a/src/doc/book
+++ b/src/doc/book
@@ -1 +1 @@
-Subproject commit f78ab89d7545ac17780e6a367055cc089f4cd2ec
+Subproject commit 8c0eacd5c4acbb650497454f3a58c9e8083202a4
diff --git a/src/doc/reference b/src/doc/reference
index f9f1d2a4149f0..f2ac173df9906 160000
--- a/src/doc/reference
+++ b/src/doc/reference
@@ -1 +1 @@
-Subproject commit f9f1d2a4149f02582aec2f8fcdfa5b596193b4e2
+Subproject commit f2ac173df9906de5c03b0ee50653321ef1c4ebe8
diff --git a/src/doc/rust-by-example b/src/doc/rust-by-example
index f944161716230..111cfae2f9c3a 160000
--- a/src/doc/rust-by-example
+++ b/src/doc/rust-by-example
@@ -1 +1 @@
-Subproject commit f944161716230641605b5e3733e1c81f10047fd4
+Subproject commit 111cfae2f9c3a43f7b0ff8fa68c51cc8f930637c