diff --git a/.circleci/config.yml b/.circleci/config.yml
index c930e6163..e4ad193db 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -7,7 +7,7 @@ jobs:
   build:
     docker:
       # specify the version you desire here
-      - image: openjdk:17-jdk-slim
+      - image: openjdk:21-jdk-slim
     resource_class: large
 
     working_directory: ~/repo
diff --git a/.github/workflows/workflow.yml b/.github/workflows/workflow.yml
index b597c3c8a..e23a58df5 100644
--- a/.github/workflows/workflow.yml
+++ b/.github/workflows/workflow.yml
@@ -21,7 +21,7 @@ jobs:
         uses: actions/setup-java@v3
         with:
           distribution: 'temurin'
-          java-version: '17'
+          java-version: '21'
       - name: Gradle
         uses: gradle/wrapper-validation-action@v1
       - name: Build