diff --git a/composer.json b/composer.json
index 4465003..29689b0 100644
--- a/composer.json
+++ b/composer.json
@@ -27,7 +27,7 @@
         "guzzlehttp/guzzle": "7.*",
         "ssnepenthe/color-utils": "^0.4.2",
         "html2text/html2text": "^4.3.1",
-        "glowingblue/closure": "3.6.3-patch.2"
+        "charescape/serialize-closure": "^3.8"
     },
     "replace": {
         "reflar/webhooks": "*"