diff --git a/.DS_Store b/.DS_Store
deleted file mode 100644
index fd2b78a..0000000
Binary files a/.DS_Store and /dev/null differ
diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index d53dcf4..4a141d4 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -18,6 +18,11 @@ jobs:
         with:
           arguments: build koverXmlReport --scan
 
+      - name: Check auto-generated files are committed
+        shell: bash
+        run: |
+          git diff --exit-code
+
       - name: Upload coverage reports to Codecov
         uses: codecov/codecov-action@v3
         env:
diff --git a/.gitignore b/.gitignore
index 1f93dfc..9a12e40 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,5 @@
 build
 
 .idea
+
+.DS_Store
\ No newline at end of file
diff --git a/README.md b/README.md
index fd90884..3b6ac50 100644
--- a/README.md
+++ b/README.md
@@ -76,6 +76,8 @@ tests.
     - This is a separate subproject makes sure we are not breaking the compilation of our main app when the
       generated code is not compiling after making some changes.
     - We store the generated code in version control showcase and review the generated code.
+    - Make sure you run `./gradlew build` after you modify the code to generate the newest files. If newest files are
+      not committed, the CI check will fail.
 
 Linting can be done via