diff --git a/package.json b/package.json
index 1850617..57cc54c 100644
--- a/package.json
+++ b/package.json
@@ -52,7 +52,7 @@
   "devDependencies": {
     "@types/jest": "24.0.14",
     "@types/node": "12.0.3",
-    "coveralls": "3.0.3",
+    "coveralls": "3.0.9",
     "jest": "24.8.0",
     "rimraf": "2.6.3",
     "ts-jest": "24.0.2",