diff --git a/gutenberg.php b/gutenberg.php
index 09b3cbb7fee0aa..d8c9b8ea3dd47e 100644
--- a/gutenberg.php
+++ b/gutenberg.php
@@ -5,7 +5,7 @@
  * Description: Printing since 1440. This is the development plugin for the new block editor in core.
  * Requires at least: 5.8
  * Requires PHP: 5.6
- * Version: 12.9.0
+ * Version: 13.0.0-rc.1
  * Author: Gutenberg Team
  * Text Domain: gutenberg
  *
diff --git a/package-lock.json b/package-lock.json
index 162c0d2ca1f91f..40b8c6a9510446 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
 	"name": "gutenberg",
-	"version": "12.9.0",
+	"version": "13.0.0-rc.1",
 	"lockfileVersion": 1,
 	"requires": true,
 	"dependencies": {
diff --git a/package.json b/package.json
index 7270149b1062ca..9b6785dc1cc882 100755
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "gutenberg",
-	"version": "12.9.0",
+	"version": "13.0.0-rc.1",
 	"private": true,
 	"description": "A new WordPress editor experience.",
 	"author": "The WordPress Contributors",