diff --git a/functions/helloworld/package.json b/functions/helloworld/package.json
index f63bb9ebc1..1034ae009d 100644
--- a/functions/helloworld/package.json
+++ b/functions/helloworld/package.json
@@ -21,7 +21,7 @@
   "dependencies": {
     "@google-cloud/debug-agent": "2.4.0",
     "pug": "2.0.3",
-    "safe-buffer": "5.1.1"
+    "safe-buffer": "5.2.1"
   },
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "2.2.5",