diff --git a/package.json b/package.json
index cdc666f..ceaaac6 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
   "devDependencies": {
     "ava": "2.2.0",
     "codecov": "3.5.0",
-    "coveralls": "3.0.6",
+    "coveralls": "3.0.9",
     "nyc": "14.1.1",
     "tap": "14.6.1",
     "tape": "4.11.0"