diff --git a/RELEASE-NOTES.txt b/RELEASE-NOTES.txt
index 663f81d23f..ddf9872adc 100644
--- a/RELEASE-NOTES.txt
+++ b/RELEASE-NOTES.txt
@@ -1,3 +1,7 @@
+1.40.0
+------
+* [**] Fixed an issue that would cause the Gallery block to remain in the editor after the undo button was pressed. [https://github.com/wordpress-mobile/gutenberg-mobile/issues/2735]
+
 1.39.0
 ------
 * [***] Full-width and wide alignment support for Video, Latest-posts, Gallery, Media & text, and Pullquote block. [https://github.com/wordpress-mobile/gutenberg-mobile/pull/2605]
diff --git a/gutenberg b/gutenberg
index 6f82c4bb16..7d5019bbfe 160000
--- a/gutenberg
+++ b/gutenberg
@@ -1 +1 @@
-Subproject commit 6f82c4bb16a5afb5d796a8f51905ca27276fe283
+Subproject commit 7d5019bbfe9e33f5a4b33892f5b2667a52442013