diff --git a/.github/workflows/buildpipeline.yaml b/.github/workflows/buildpipeline.yaml
index e8a4745c2..4e6bd00b5 100644
--- a/.github/workflows/buildpipeline.yaml
+++ b/.github/workflows/buildpipeline.yaml
@@ -20,7 +20,7 @@ jobs:
     name: Build Image and Push
     # TODO Add this line back once we update to Python 3.9 from 3.6
     # needs: Security
-    uses: uc-cdis/.github/.github/workflows/image_build_push.yaml@master
+    uses: uc-cdis/.github/.github/workflows/image_build_push_slim.yaml@feat/GPE-1121
     secrets:
       ECR_AWS_ACCESS_KEY_ID: ${{ secrets.ECR_AWS_ACCESS_KEY_ID }}
       ECR_AWS_SECRET_ACCESS_KEY: ${{ secrets.ECR_AWS_SECRET_ACCESS_KEY }}
diff --git a/.github/workflows/preserve-files.txt b/.github/workflows/preserve-files.txt
new file mode 100644
index 000000000..95829517e
--- /dev/null
+++ b/.github/workflows/preserve-files.txt
@@ -0,0 +1,5 @@
+/usr/lib64
+/fence
+/venv/lib/python3.9
+/var/www/fence/
+/usr/bin