diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1e976a0..b4d0c35 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -27,6 +27,10 @@ jobs:
 
     steps:
     - uses: actions/checkout@v2
+    - uses: actions/setup-java@v2
+      with:
+        distribution: 'adopt'
+        java-version: '8'
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v2
       with: