diff --git a/gutenberg.php b/gutenberg.php
index d69dcc00911bc..006fcfb6aeeb2 100644
--- a/gutenberg.php
+++ b/gutenberg.php
@@ -3,7 +3,7 @@
  * Plugin Name: Gutenberg
  * Plugin URI: https://github.com/WordPress/gutenberg
  * Description: Printing since 1440. This is the development plugin for the new block editor in core.
- * Version: 5.5.0
+ * Version: 5.6.0-rc.1
  * Author: Gutenberg Team
  * Text Domain: gutenberg
  *
diff --git a/package-lock.json b/package-lock.json
index 689c0f89e4052..7bcceb4776e60 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
 	"name": "gutenberg",
-	"version": "5.5.0",
+	"version": "5.6.0-rc.1",
 	"lockfileVersion": 1,
 	"requires": true,
 	"dependencies": {
diff --git a/package.json b/package.json
index ac04a20f8f664..d0c5e09defa1b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "gutenberg",
-	"version": "5.5.0",
+	"version": "5.6.0-rc.1",
 	"private": true,
 	"description": "A new WordPress editor experience",
 	"repository": "git+https://github.com/WordPress/gutenberg.git",