diff --git a/appengine/datastore/package.json b/appengine/datastore/package.json
index 08b49e812e..7688689b5f 100644
--- a/appengine/datastore/package.json
+++ b/appengine/datastore/package.json
@@ -18,7 +18,7 @@
     "test": "npm run system-test"
   },
   "dependencies": {
-    "@google-cloud/datastore": "^4.0.0",
+    "@google-cloud/datastore": "^5.0.0",
     "express": "^4.16.4"
   },
   "devDependencies": {
diff --git a/datastore/functions/package.json b/datastore/functions/package.json
index e5ecc5999a..235e9e11e9 100644
--- a/datastore/functions/package.json
+++ b/datastore/functions/package.json
@@ -15,7 +15,7 @@
     "test": "mocha test/*.test.js --timeout=5000"
   },
   "dependencies": {
-    "@google-cloud/datastore": "^4.1.1",
+    "@google-cloud/datastore": "^5.0.0",
     "supertest": "^4.0.0"
   },
   "devDependencies": {