diff --git a/.github/workflows/main.yaml b/.github/workflows/main.yaml
index 2fcc0b6..8b23bb4 100644
--- a/.github/workflows/main.yaml
+++ b/.github/workflows/main.yaml
@@ -199,6 +199,7 @@ jobs:
             cabal.project
             Makefile
             CHANGELOG.md
+            Dockerfile.app
           sparse-checkout-cone-mode: false
 
       # This is needed in order to push the new image.