diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ce78a754..1f62ca6c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -27,6 +27,8 @@ jobs:
       - uses: actions/checkout@v3
       - run: rustup update stable
       - run: make build
+      - name: Ensure git is clean
+        run: test -z "$(git status --untracked-files=all --porcelain)"
 
   build-container:
     name: brupop-image
@@ -34,3 +36,5 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - run: make brupop-image
+      - name: Ensure git is clean
+        run: test -z "$(git status --untracked-files=all --porcelain)"