diff --git a/tt1-blocks/readme.txt b/tt1-blocks/readme.txt
index 8692e575..d86a1dc5 100644
--- a/tt1-blocks/readme.txt
+++ b/tt1-blocks/readme.txt
@@ -25,6 +25,9 @@ This theme is beta software, and is not meant for use on a production site. Bug
 
 == Changelog ==
 
+= 0.4.3 =
+* Update for compatibility with Gutenberg v9.9
+
 = 0.4.2 =
 * Released: January 14, 2021
 
diff --git a/tt1-blocks/style.css b/tt1-blocks/style.css
index e29c342d..5f7a33f8 100644
--- a/tt1-blocks/style.css
+++ b/tt1-blocks/style.css
@@ -7,7 +7,7 @@ Description: TT1 Blocks is an experimental block-based version of the Twenty Twe
 Requires at least: 5.6
 Tested up to: 5.6
 Requires PHP: 5.6
-Version: 0.4.2
+Version: 0.4.3
 License: GNU General Public License v2 or later
 License URI: LICENSE
 Text Domain: tt1-blocks