diff --git a/datastore/functions/package.json b/datastore/functions/package.json
index b499c1cc55..b0d9c97f71 100644
--- a/datastore/functions/package.json
+++ b/datastore/functions/package.json
@@ -20,7 +20,7 @@
   "devDependencies": {
     "@google-cloud/functions-framework": "^1.1.1",
     "child-process-promise": "^2.2.1",
-    "gaxios": "^3.0.0",
+    "gaxios": "^4.0.0",
     "mocha": "^8.0.0",
     "proxyquire": "^2.1.0",
     "sinon": "^9.0.0",