diff --git a/.github/workflows/pr-verify.yml b/.github/workflows/pr-verify.yml
index 01fbf5c67..9240c9a1b 100644
--- a/.github/workflows/pr-verify.yml
+++ b/.github/workflows/pr-verify.yml
@@ -18,7 +18,7 @@ jobs:
       - name: Set Up Java
         uses: actions/setup-java@v4
         with:
-          java-version: '24'
+          java-version: '21'
           distribution: 'temurin'
       - run: npm install -g typescript "@vscode/vsce"
       - run: wget http://download.eclipse.org/jdtls/snapshots/jdt-language-server-latest.tar.gz
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 10645bf74..a6f239203 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -81,7 +81,7 @@ jobs:
       - name: Set Up Java
         uses: actions/setup-java@v4
         with:
-          java-version: '24'
+          java-version: '21'
           distribution: 'temurin'
       - name: Build JDT-LS
         if: "${{ inputs.JDT_LS_VERSION == '' }}"