diff --git a/packages/google-cloud-oslogin/package.json b/packages/google-cloud-oslogin/package.json
index 2ce94b8b6df..2f1e22cb855 100644
--- a/packages/google-cloud-oslogin/package.json
+++ b/packages/google-cloud-oslogin/package.json
@@ -48,7 +48,7 @@
   "devDependencies": {
     "@types/mocha": "^5.2.5",
     "@types/node": "^12.0.0",
-    "c8": "^6.0.0",
+    "c8": "^7.0.0",
     "eslint": "^6.0.0",
     "eslint-config-prettier": "^6.0.0",
     "eslint-plugin-node": "^11.0.0",