diff --git a/06/02_cloudrun_with_sql/handler/go.mod b/06/02_cloudrun_with_sql/handler/go.mod
index aaa64c5..83f3d47 100644
--- a/06/02_cloudrun_with_sql/handler/go.mod
+++ b/06/02_cloudrun_with_sql/handler/go.mod
@@ -6,7 +6,5 @@ require (
 	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
-	golang.org/x/crypto v0.0.0-20190829043050-9756ffdc2472 // indirect
+	github.com/labstack/echo/v4 v4.9.0
 )