diff --git a/composer.json b/composer.json
index 9313d53..3e2844a 100644
--- a/composer.json
+++ b/composer.json
@@ -34,7 +34,7 @@
     "guzzlehttp/guzzle": "^6.3.3"
   },
   "require-dev": {
-    "cedx/coveralls": "^9.1.2",
+    "cedx/coveralls": "^10.0.0",
     "consolidation/robo": "^1.4.6",
     "henrikbjorn/lurker": "^1.2.0",
     "phpstan/phpstan": "^0.11.4",