diff --git a/packages/php/compat-checker/src/Checker.php b/packages/php/compat-checker/src/Checker.php
index 68d52710..26177f27 100644
--- a/packages/php/compat-checker/src/Checker.php
+++ b/packages/php/compat-checker/src/Checker.php
@@ -71,14 +71,15 @@ public function get_plugin_data( $plugin_file, $file_version ) {
 	 * @return bool
 	 */
 	public function is_compatible( $plugin_file_path, $file_version ) {
-		$checks      = array(
+		$checks          = array(
 			WPCompatibility::class,
 			WCCompatibility::class,
 		);
-		$plugin_data = $this->get_plugin_data( $plugin_file_path, $file_version );
+		$plugin_data     = $this->get_plugin_data( $plugin_file_path, $file_version );
+		$plugin_basename = plugin_basename( $plugin_file_path );
 
 		foreach ( $checks as $compatibility ) {
-			if ( ! $compatibility::instance()->is_compatible( $plugin_data ) ) {
+			if ( ! $compatibility::instance( $plugin_basename )->is_compatible( $plugin_data ) ) {
 				return false;
 			}
 		}
diff --git a/packages/php/compat-checker/src/Checks/CompatCheck.php b/packages/php/compat-checker/src/Checks/CompatCheck.php
index 67d48cba..9e01f037 100644
--- a/packages/php/compat-checker/src/Checks/CompatCheck.php
+++ b/packages/php/compat-checker/src/Checks/CompatCheck.php
@@ -47,15 +47,17 @@ abstract protected function run_checks();
 	/**
 	 * Get the instance of the CompatCheck object.
 	 *
+	 * @param string $plugin_basename The basename of the plugin.
+	 *
 	 * @return CompatCheck
 	 */
-	public static function instance() {
+	public static function instance( $plugin_basename ) {
 		$class = get_called_class();
-		if ( ! isset( self::$instances[ $class ] ) ) {
-			self::$instances[ $class ] = new $class();
+		if ( ! isset( self::$instances[ $class ][ $plugin_basename ] ) ) {
+			self::$instances[ $class ][ $plugin_basename ] = new $class();
 		}
 
-		return self::$instances[ $class ];
+		return self::$instances[ $class ][ $plugin_basename ];
 	}
 
 	/**