diff --git a/package.json b/package.json
index aea4319f05..e87be54bf2 100644
--- a/package.json
+++ b/package.json
@@ -51,7 +51,7 @@
   },
   "devDependencies": {
     "clean-css": "3.4.18",
-    "coveralls": "2.11.9",
+    "coveralls": "2.11.11",
     "debounce": "^1.0.0",
     "eslint": "2.13.1",
     "eslint-config-openlayers": "5.0.0",