diff --git a/.github/workflows/continuous_integration.yml b/.github/workflows/continuous_integration.yml
index 278b5131..6aa28b0f 100644
--- a/.github/workflows/continuous_integration.yml
+++ b/.github/workflows/continuous_integration.yml
@@ -18,6 +18,8 @@ jobs:
 
       - name: Set up OpenJDK
         uses: actions/setup-java@v1
+        with:
+          java-version: 11
 
       - name: Set up Jekyll
         run: |