diff --git a/.github/workflows/pr_build.yml b/.github/workflows/pr_build.yml
index ad37186..9c6f8ed 100644
--- a/.github/workflows/pr_build.yml
+++ b/.github/workflows/pr_build.yml
@@ -13,6 +13,6 @@ jobs:
         uses: actions/setup-java@v4
         with:
           distribution: 'temurin'
-          java-version: 11
+          java-version: '11'
       - name: Check build and test
         run: ./gradlew check verifyGoogleJavaFormat javadoc