diff --git a/.github/workflows/runglobal.yml b/.github/workflows/runglobal.yml
index a1e82e3..2913b4b 100644
--- a/.github/workflows/runglobal.yml
+++ b/.github/workflows/runglobal.yml
@@ -35,6 +35,11 @@ jobs:
           # but since setup-python removed 2.7 i had to use 3.11,
           # which surprisingly works
           python-version: '3.11'
+      - name: Setup Java 21 (Eclipse Temurin)
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'temurin'
+          java-version: '21'
       - name: Installs some stuff
         run: |
           sudo apt update -y