diff --git a/tests/apps/go-fail-postdeploy/Dockerfile b/tests/apps/go-fail-postdeploy/Dockerfile
index 224c5ea9d..9f2b68526 100644
--- a/tests/apps/go-fail-postdeploy/Dockerfile
+++ b/tests/apps/go-fail-postdeploy/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.25.6
+FROM golang:1.26.0
 
 EXPOSE 3000/tcp