diff --git a/.github/workflows/android-lint.yml b/.github/workflows/android-lint.yml
index 1763b58..295616c 100644
--- a/.github/workflows/android-lint.yml
+++ b/.github/workflows/android-lint.yml
@@ -15,7 +15,7 @@ jobs:
       - name: set up JDK
         uses: actions/setup-java@v4
         with:
-          java-version: '17'
+          java-version: '21'
           distribution: 'temurin'
           cache: gradle
 
diff --git a/.github/workflows/android-release.yml b/.github/workflows/android-release.yml
index 6de9f65..ceb53dd 100644
--- a/.github/workflows/android-release.yml
+++ b/.github/workflows/android-release.yml
@@ -30,7 +30,7 @@ jobs:
       - name: Set up JDK
         uses: actions/setup-java@v4
         with:
-          java-version: '17'
+          java-version: '21'
           distribution: 'temurin'
           cache: gradle
 
diff --git a/.github/workflows/android.yml b/.github/workflows/android.yml
index b3c8b69..b35e7d7 100644
--- a/.github/workflows/android.yml
+++ b/.github/workflows/android.yml
@@ -15,7 +15,7 @@ jobs:
       - name: set up JDK
         uses: actions/setup-java@v4
         with:
-          java-version: '17'
+          java-version: '21'
           distribution: 'temurin'
           cache: gradle
 
diff --git a/.github/workflows/test-keystore-apk-signing.yml b/.github/workflows/test-keystore-apk-signing.yml
index c150a3f..5555b72 100644
--- a/.github/workflows/test-keystore-apk-signing.yml
+++ b/.github/workflows/test-keystore-apk-signing.yml
@@ -17,7 +17,7 @@ jobs:
       - name: Set up JDK
         uses: actions/setup-java@v4
         with:
-          java-version: '17'
+          java-version: '21'
           distribution: 'temurin'
 
       - name: Create test directory
diff --git a/.github/workflows/test-keystore.yml b/.github/workflows/test-keystore.yml
index 2b757ae..0ecb862 100644
--- a/.github/workflows/test-keystore.yml
+++ b/.github/workflows/test-keystore.yml
@@ -27,7 +27,7 @@ jobs:
       - name: Set up JDK
         uses: actions/setup-java@v4
         with:
-          java-version: '17'  # Using a stable JDK version
+          java-version: '21'  # Using a stable JDK version
           distribution: 'temurin'
 
       - name: Verify Java and Keytool Installation