diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 1b3de16..100cdb3 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -8,11 +8,11 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-      - name: Set up JDK 17
+      - name: Set up JDK 21
         uses: actions/setup-java@v4
         with:
-          distribution: 'adopt'
-          java-version: 17
+          distribution: 'zulu'
+          java-version: 21
       - name: Cache
         uses: actions/cache@v4
         with:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 052b424..d722ee9 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -15,11 +15,11 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-      - name: Set up JDK 20
+      - name: Set up JDK 21
         uses: actions/setup-java@v4
         with:
-          distribution: 'adopt'
-          java-version: 20
+          distribution: 'zulu'
+          java-version: 21
       - name: Cache
         uses: actions/cache@v4
         with: