diff --git a/functions/errorreporting/package.json b/functions/errorreporting/package.json
index 4180cf9fde3..f8b1919e99b 100644
--- a/functions/errorreporting/package.json
+++ b/functions/errorreporting/package.json
@@ -6,6 +6,6 @@
   "author": "Google Inc.",
   "main": "./index.js",
   "dependencies": {
-    "@google-cloud/logging": "1.2.0"
+    "@google-cloud/logging": "4.1.0"
   }
 }
diff --git a/functions/log/package.json b/functions/log/package.json
index f8ed5d97214..bc24decfd77 100644
--- a/functions/log/package.json
+++ b/functions/log/package.json
@@ -17,7 +17,7 @@
     "test": "ava -T 20s --verbose test/*.test.js"
   },
   "dependencies": {
-    "@google-cloud/logging": "1.2.0",
+    "@google-cloud/logging": "4.1.0",
     "@google-cloud/monitoring": "0.6.0"
   },
   "devDependencies": {