diff --git a/06/02_cloudrun_with_sql/go.mod b/06/02_cloudrun_with_sql/go.mod
index c1cd386..ebd910f 100644
--- a/06/02_cloudrun_with_sql/go.mod
+++ b/06/02_cloudrun_with_sql/go.mod
@@ -4,11 +4,8 @@ go 1.12
 
 require (
 	github.com/0Delta/CloudRunSample/handler v0.0.0
-	github.com/GoogleCloudPlatform/cloudsql-proxy v0.0.0-20190828224159-d93c53a4824c
-	github.com/go-sql-driver/mysql v1.4.1
 	github.com/kelseyhightower/envconfig v1.4.0
-	github.com/labstack/echo v3.3.10+incompatible
-	github.com/labstack/echo/v4 v4.1.10
+	github.com/labstack/echo/v4 v4.9.0
 )
 
 replace github.com/0Delta/CloudRunSample/handler => ./handler