diff --git a/.test-defs/shootdns-test.yaml b/.test-defs/shootdns-test.yaml
index 30bf60b2..0b16789e 100644
--- a/.test-defs/shootdns-test.yaml
+++ b/.test-defs/shootdns-test.yaml
@@ -18,4 +18,4 @@ spec:
       --shoot-name=$SHOOT_NAME
       --existing-shoot-name=$SHOOT_NAME
       --project-namespace=$PROJECT_NAMESPACE
-  image: golang:1.23.4
+  image: golang:1.23.5