diff --git a/.github/workflows/reusable-build-iso-anaconda.yml b/.github/workflows/reusable-build-iso-anaconda.yml
index b207814..be32022 100644
--- a/.github/workflows/reusable-build-iso-anaconda.yml
+++ b/.github/workflows/reusable-build-iso-anaconda.yml
@@ -76,7 +76,7 @@ jobs:
 
       - name: Build ISO
         id: build
-        uses: ublue-os/titanoboa@main
+        uses: ublue-os/titanoboa@840217d97bd0bc9a52466508c54d8dda5c5ba2fd
         with:
           image-ref: ${{ steps.image_ref.outputs.image_ref }}:${{ matrix.image_version }}
           flatpaks-list: ${{ steps.flatpak_list.outputs.file_list_path }}