diff --git a/.github/workflows/java.yml b/.github/workflows/java.yml
index e8c6037..600b41a 100644
--- a/.github/workflows/java.yml
+++ b/.github/workflows/java.yml
@@ -12,5 +12,9 @@ jobs:
         uses: actions/setup-java@v1
         with:
           java-version: 1.8
+      - name: Install Protoc
+        uses: arduino/setup-protoc@v1
+        with:
+          version: '3.x'
       - name: Build with Maven
         run: mvn -B package --file pom.xml