diff --git a/.github/workflows/presubmit.yaml b/.github/workflows/presubmit.yaml
new file mode 100644
index 0000000..4cfb801
--- /dev/null
+++ b/.github/workflows/presubmit.yaml
@@ -0,0 +1,25 @@
+# Gives read-only access
+permissions: read-all
+name: Presubmit
+on:
+  pull_request:
+    branches:
+      - main
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout sources
+      uses: actions/checkout@v6
+    - name: Set up Java
+      uses: actions/setup-java@v5
+      with:
+        java-version: '11'
+        distribution: 'temurin'
+    - name: Setup Gradle
+      uses: gradle/actions/setup-gradle@v6
+      with:
+        cache-disabled: true
+    # TODO(jradcliff): Add a lint step. Currently blocked by https://github.com/abcxyz/actions/issues/107.
+    - name: Build with Gradle
+      run: ./gradlew build