diff --git a/packages/google-cloud-oslogin/package.json b/packages/google-cloud-oslogin/package.json
index f083dfa5e81e..dc3aca972d8d 100644
--- a/packages/google-cloud-oslogin/package.json
+++ b/packages/google-cloud-oslogin/package.json
@@ -57,7 +57,7 @@
     "jsdoc-fresh": "^1.0.1",
     "jsdoc-region-tag": "^1.0.2",
     "linkinator": "^2.0.0",
-    "mocha": "^7.0.0",
+    "mocha": "^8.0.0",
     "null-loader": "^4.0.0",
     "pack-n-play": "^1.0.0-2",
     "sinon": "^9.0.1",
diff --git a/packages/google-cloud-oslogin/samples/package.json b/packages/google-cloud-oslogin/samples/package.json
index e05d6228298b..c16c095e983a 100644
--- a/packages/google-cloud-oslogin/samples/package.json
+++ b/packages/google-cloud-oslogin/samples/package.json
@@ -18,6 +18,6 @@
   },
   "devDependencies": {
     "chai": "^4.2.0",
-    "mocha": "^7.0.0"
+    "mocha": "^8.0.0"
   }
 }