diff --git a/duplicate-post.php b/duplicate-post.php
index 33dc9a624..765aa8af8 100644
--- a/duplicate-post.php
+++ b/duplicate-post.php
@@ -9,7 +9,7 @@
  * Plugin Name: Yoast Duplicate Post
  * Plugin URI:  https://yoast.com/wordpress/plugins/duplicate-post/
  * Description: The go-to tool for cloning posts and pages, including the powerful Rewrite & Republish feature.
- * Version:     4.4
+ * Version:     4.5-RC1
  * Author:      Enrico Battocchi & Team Yoast
  * Author URI:  https://yoast.com
  * Text Domain: duplicate-post
@@ -45,7 +45,7 @@
 	define( 'DUPLICATE_POST_PATH', plugin_dir_path( __FILE__ ) );
 }
 
-define( 'DUPLICATE_POST_CURRENT_VERSION', '4.4' );
+define( 'DUPLICATE_POST_CURRENT_VERSION', '4.5-RC1' );
 
 $duplicate_post_autoload_file = DUPLICATE_POST_PATH . 'vendor/autoload.php';
 
diff --git a/package.json b/package.json
index 7f329c38d..9f64334c9 100644
--- a/package.json
+++ b/package.json
@@ -54,6 +54,6 @@
     "@wordpress/plugins": "^2.23.0"
   },
   "yoast": {
-    "pluginVersion": "4.4"
+    "pluginVersion": "4.5-RC1"
   }
 }