diff --git a/packages/google-cloud-oslogin/package.json b/packages/google-cloud-oslogin/package.json
index 2f1e22cb8553..d05fffdd907c 100644
--- a/packages/google-cloud-oslogin/package.json
+++ b/packages/google-cloud-oslogin/package.json
@@ -59,7 +59,7 @@
     "jsdoc-fresh": "^1.0.1",
     "jsdoc-region-tag": "^1.0.2",
     "linkinator": "^1.5.0",
-    "mocha": "^6.1.4",
+    "mocha": "^7.0.0",
     "null-loader": "^3.0.0",
     "pack-n-play": "^1.0.0-2",
     "power-assert": "^1.4.4",
diff --git a/packages/google-cloud-oslogin/samples/package.json b/packages/google-cloud-oslogin/samples/package.json
index d718a5afa977..b33f1e6b443e 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": "^6.1.4"
+    "mocha": "^7.0.0"
   }
 }