diff --git a/composer.json b/composer.json
index 76f2005..9a08a40 100644
--- a/composer.json
+++ b/composer.json
@@ -28,7 +28,7 @@
     "require": {
         "php": "7.2.* || 7.3.* || 7.4.*",
         "typo3/cms-core": "^10.4",
-        "skilldisplay/phptoolkit": "^1.2",
+        "skilldisplay/phptoolkit": "^1.2.3",
         "typo3/cms-backend": "^10.4",
         "typo3/cms-frontend": "^10.4",
         "typo3fluid/fluid": "^2.6",