diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 968263bd..6db6c28d 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -27,11 +27,11 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v7
 
-      - name: Set up JDK 8
+      - name: Set up JDK 21
         uses: actions/setup-java@v6
         with:
           distribution: temurin
-          java-version: 8
+          java-version: 21
 
       - name: Make gradlew executable
         run: chmod +x gradlew
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index b267520c..fbde1e02 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -54,11 +54,11 @@ jobs:
           ref: ${{ github.event.pull_request.head.ref }}
           submodules: true
 
-      - name: Set up JDK 8
+      - name: Set up JDK 21
         uses: actions/setup-java@v6
         with:
           distribution: temurin
-          java-version: 8
+          java-version: 21
 
       - name: Make gradlew executable
         run: chmod +x gradlew