diff --git a/package.json b/package.json
index e9fc16a8f3..8abe3f8df9 100644
--- a/package.json
+++ b/package.json
@@ -51,7 +51,7 @@
   },
   "devDependencies": {
     "clean-css": "3.4.19",
-    "coveralls": "2.11.12",
+    "coveralls": "2.11.13",
     "debounce": "^1.0.0",
     "eslint": "3.5.0",
     "eslint-config-openlayers": "5.0.0",