diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 1f83c68b..d40b3aef 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -6,6 +6,7 @@ include:
 variables:
   USE_GORELEASER: "true"
   UPSTREAM_PROJECT: oidc-mytoken/server
+  CI_DEFAULT_BRANCH: "master"
 
 image: golang:1.22
 stages: