diff --git a/.github/workflows/dev_build.yml b/.github/workflows/dev_build.yml
index 672d5027..be70c19d 100644
--- a/.github/workflows/dev_build.yml
+++ b/.github/workflows/dev_build.yml
@@ -8,7 +8,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-java@v2
         with:
-          java-version: 17
+          java-version: 21
           distribution: adopt
       - name: Build
         run: ./gradlew build
diff --git a/.github/workflows/pull_request.yml b/.github/workflows/pull_request.yml
index e60e76d9..58958b88 100644
--- a/.github/workflows/pull_request.yml
+++ b/.github/workflows/pull_request.yml
@@ -8,7 +8,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-java@v2
         with:
-          java-version: 17
+          java-version: 21
           distribution: adopt
       - name: Build
         run: ./gradlew build