diff --git a/.github/workflows/dev_build.yml b/.github/workflows/dev_build.yml
index 4755e769..26875060 100644
--- a/.github/workflows/dev_build.yml
+++ b/.github/workflows/dev_build.yml
@@ -15,10 +15,10 @@ jobs:
           fetch-depth: 0
           ref: ${{ matrix.branch }}
 
-      - name: Set up JDK 17
+      - name: Set up JDK 21
         uses: actions/setup-java@v3
         with:
-          java-version: '17'
+          java-version: '21'
           distribution: 'adopt'
 
 
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index dbcf39c3..ad881fb0 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -31,10 +31,10 @@ jobs:
           file: gradle.properties
           all: true
 
-      - name: Set up JDK 17
+      - name: Set up JDK 21
         uses: actions/setup-java@v3
         with:
-          java-version: '17'
+          java-version: '21'
           distribution: 'adopt'