diff --git a/package-lock.json b/package-lock.json
index c1d0225..1b01460 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -623,9 +623,9 @@
       "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac="
     },
     "coveralls": {
-      "version": "3.0.12",
-      "resolved": "https://registry.npmjs.org/coveralls/-/coveralls-3.0.12.tgz",
-      "integrity": "sha512-cDOGf4JFb1XKxT811GuLixVgJc3ZFElCLtgxkrdo0hm9Q8lmJ3cP4cZqlQTRE45MvwJNlHYwwzHPuWEv1f4f4Q==",
+      "version": "3.0.13",
+      "resolved": "https://registry.npmjs.org/coveralls/-/coveralls-3.0.13.tgz",
+      "integrity": "sha512-Bch6FJI4ebK6Mwr+DjFCJbb/RayNwn5pscSDE4Ux6cgjNkAcjdgGZBRfQnuYTt5tY81MqGK8m2r+xc5FDF513A==",
       "dev": true,
       "requires": {
         "js-yaml": "^3.13.1",
diff --git a/package.json b/package.json
index 6c39b9b..9d593f6 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
     "valid-url": "1.0.9"
   },
   "devDependencies": {
-    "coveralls": "3.0.12",
+    "coveralls": "3.0.13",
     "standard": "14.3.3",
     "tap": "14.10.7"
   },