diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4ffcafef16851395337fba4c80b7e8cfd93e4eb2..5ccbc2be16ce2672eda0b17dcae6f79e2a8e3efe 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## [2.1.1] - 2023-02-07
+### Fixed
+- compatibility issue for admin_enqueue_scripts
+
 ## [2.1.0] - 2022-12-15
 ### Added
 - plugin path
diff --git a/src/Plugin/AbstractPlugin.php b/src/Plugin/AbstractPlugin.php
index dfb1effed2b14a5f8b9892be0fc8893348e2a49d..b8512ed87972a21648ed509b010f802baf2b5e25 100644
--- a/src/Plugin/AbstractPlugin.php
+++ b/src/Plugin/AbstractPlugin.php
@@ -175,7 +175,7 @@ abstract class AbstractPlugin extends SlimPlugin {
 	 *
 	 * @return void
 	 */
-	public function admin_enqueue_scripts( $hook_suffix = '' ) {
+	public function admin_enqueue_scripts() {
 	}
 
 	/**