diff --git a/cmd/golangorg/app.yaml b/cmd/golangorg/app.yaml
index 2cb30d2..893e275 100644
--- a/cmd/golangorg/app.yaml
+++ b/cmd/golangorg/app.yaml
@@ -2,7 +2,7 @@
 # Do not deploy directly.
 
 service: default
-runtime: go121
+runtime: go122
 main: ./cmd/golangorg
 
 env_variables: