diff --git a/package-lock.json b/package-lock.json
index cbaa387..ae1546d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2648,9 +2648,9 @@
       "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac="
     },
     "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 72c8ae3..33dbf5d 100644
--- a/package.json
+++ b/package.json
@@ -51,7 +51,7 @@
     "request": "~2.88.2"
   },
   "devDependencies": {
-    "coveralls": "~3.0.9",
+    "coveralls": "~3.0.13",
     "documentation": "^12.1.4",
     "eslint": "^6.8.0",
     "eslint-config-semistandard": "^15.0.0",