diff --git a/src/doc/book b/src/doc/book
index 98921e9de849a..b889e1e30c5e9 160000
--- a/src/doc/book
+++ b/src/doc/book
@@ -1 +1 @@
-Subproject commit 98921e9de849acdaeaed08cfad6758bb89769b7d
+Subproject commit b889e1e30c5e9953834aa9fa6c982bb28df46ac9
diff --git a/src/doc/nomicon b/src/doc/nomicon
index ad5ddd62c098d..6a8f0a27e9a58 160000
--- a/src/doc/nomicon
+++ b/src/doc/nomicon
@@ -1 +1 @@
-Subproject commit ad5ddd62c098d5b424151beda574ae7df2154df1
+Subproject commit 6a8f0a27e9a58c55c89d07bc43a176fdae5e051c
diff --git a/src/doc/reference b/src/doc/reference
index 254df654a9b75..76296346e97c3 160000
--- a/src/doc/reference
+++ b/src/doc/reference
@@ -1 +1 @@
-Subproject commit 254df654a9b75abf6ca08806535dbe1fad41be3f
+Subproject commit 76296346e97c3702974d3398fdb94af9e10111a2
diff --git a/src/doc/rust-by-example b/src/doc/rust-by-example
index ebb28c95b2ea6..d5ec87eabe573 160000
--- a/src/doc/rust-by-example
+++ b/src/doc/rust-by-example
@@ -1 +1 @@
-Subproject commit ebb28c95b2ea68b96eddb9e71aff4d32eacc74f0
+Subproject commit d5ec87eabe5733cc2348c7dada89fc67c086f391