diff --git a/.github/workflows/build-katsu.yml b/.github/workflows/build-katsu.yml
index d6649c56..266a1aaf 100644
--- a/.github/workflows/build-katsu.yml
+++ b/.github/workflows/build-katsu.yml
@@ -1,6 +1,7 @@
 name: Build images (with Katsu)
 
 env:
+  REGISTRY_AUTH_FILE: $HOME/auth.json
   KATSU_BUILD_TASK_NAME: "Build image"
   DNF_PKGS: |
     git