diff --git a/.github/workflows/BuildImages.yml b/.github/workflows/BuildImages.yml
index a0813ad53..e77f18e3d 100644
--- a/.github/workflows/BuildImages.yml
+++ b/.github/workflows/BuildImages.yml
@@ -64,6 +64,7 @@ jobs:
         uses: ./repository/.github/actions/build
         with:
           config: ${{ matrix.config }}
+          custompios-ref: 1.5.0
 
       - name: Rename image file
         id: move-image
diff --git a/.github/workflows/Release.yml b/.github/workflows/Release.yml
index 6cb14fb5f..826747033 100644
--- a/.github/workflows/Release.yml
+++ b/.github/workflows/Release.yml
@@ -140,6 +140,7 @@ jobs:
         uses: ./repository/.github/actions/build
         with:
           config: ${{ matrix.config }}
+          custompios-ref: 1.5.0
 
       - name: Upload failed Logfile
         if: failure()