diff --git a/.github/.java-version b/.github/.java-version
new file mode 100644
index 000000000..aabe6ec39
--- /dev/null
+++ b/.github/.java-version
@@ -0,0 +1 @@
+21
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index bfbe99234..aba230343 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -35,7 +35,7 @@ jobs:
       - name: Set up JDK
         uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654 # v5.2.0
         with:
-          java-version: 17
+          java-version-file: .github/.java-version
           distribution: temurin
 
       - name: Set up Gradle
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index ac6191146..03ef28f22 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -34,7 +34,7 @@ jobs:
       - name: Set up JDK
         uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654 # v5.2.0
         with:
-          java-version: 17
+          java-version-file: .github/.java-version
           distribution: temurin
 
       - name: Set up Gradle
@@ -88,7 +88,7 @@ jobs:
       - name: Set up JDK
         uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654 # v5.2.0
         with:
-          java-version: 17
+          java-version-file: .github/.java-version
           distribution: temurin
 
       - name: Set up Gradle