diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 70a74a37..0ba140d4 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -21,7 +21,7 @@ jobs:
       - uses: actions/setup-java@v4
         with:
           distribution: 'zulu'
-          java-version: 19
+          java-version: 21
 
       - run: ./gradlew build dokkaHtml
 
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index 56ddeb93..f53fc18a 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -17,7 +17,7 @@ jobs:
       - uses: actions/setup-java@v4
         with:
           distribution: 'zulu'
-          java-version: 19
+          java-version: 21
 
       - name: Build and publish artifacts
         env: