diff --git a/functions/errorreporting/package.json b/functions/errorreporting/package.json
index 4817f03e61..c2962d7d5a 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": "^4.4.0"
+    "@google-cloud/logging": "^5.0.0"
   }
 }
diff --git a/functions/log/package.json b/functions/log/package.json
index fb1af94cd9..3c4a5f3544 100644
--- a/functions/log/package.json
+++ b/functions/log/package.json
@@ -15,7 +15,7 @@
     "test": "mocha test/*.test.js --timeout=20000"
   },
   "dependencies": {
-    "@google-cloud/logging": "^4.4.0",
+    "@google-cloud/logging": "^5.0.0",
     "@google-cloud/monitoring": "^0.7.1"
   },
   "devDependencies": {