diff --git a/examples/secure_cloud_function_with_sql/functions/cf-to-sql/go.mod b/examples/secure_cloud_function_with_sql/functions/cf-to-sql/go.mod
index 3440cebf..7128e4c5 100644
--- a/examples/secure_cloud_function_with_sql/functions/cf-to-sql/go.mod
+++ b/examples/secure_cloud_function_with_sql/functions/cf-to-sql/go.mod
@@ -3,7 +3,7 @@ module example.com/cloudsql
 go 1.21
 
 require (
-	cloud.google.com/go/cloudsqlconn v1.2.3
+	cloud.google.com/go/cloudsqlconn v1.21.0
 	github.com/GoogleCloudPlatform/functions-framework-go v1.7.1
 	github.com/cloudevents/sdk-go/v2 v2.15.2
 	github.com/go-sql-driver/mysql v1.7.1