diff --git a/package-lock.json b/package-lock.json
index f788315..e60b7b6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -609,9 +609,9 @@
       "dev": true
     },
     "coveralls": {
-      "version": "3.0.11",
-      "resolved": "https://registry.npmjs.org/coveralls/-/coveralls-3.0.11.tgz",
-      "integrity": "sha512-LZPWPR2NyGKyaABnc49dR0fpeP6UqhvGq4B5nUrTQ1UBy55z96+ga7r+/ChMdMJUwBgyJDXBi88UBgz2rs9IiQ==",
+      "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 8fc321c..52a403d 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "valid-url": "1.0.9"
   },
   "devDependencies": {
-    "coveralls": "3.0.11",
+    "coveralls": "3.0.13",
     "standard": "14.3.3",
     "tap": "14.10.7"
   }