diff --git a/.github/workflows/app-build.yaml b/.github/workflows/app-build.yaml
index 7c78ec91..3bee2ff6 100644
--- a/.github/workflows/app-build.yaml
+++ b/.github/workflows/app-build.yaml
@@ -20,7 +20,7 @@ jobs:
         uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654 # v5.2.0
         with:
           distribution: temurin
-          java-version: 21
+          java-version-file: .tools-versions
       - name: Setup Gradle
         uses: gradle/actions/setup-gradle@50e97c2cd7a37755bbfafc9c5b7cafaece252f6e # v6.1.0
       - name: Assemble debug APKs
diff --git a/.github/workflows/app-lint.yaml b/.github/workflows/app-lint.yaml
index 96198832..f863d54b 100644
--- a/.github/workflows/app-lint.yaml
+++ b/.github/workflows/app-lint.yaml
@@ -22,7 +22,7 @@ jobs:
         uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654 # v5.2.0
         with:
           distribution: temurin
-          java-version: 21
+          java-version-file: .tools-versions
       - name: Setup Gradle
         uses: gradle/actions/setup-gradle@50e97c2cd7a37755bbfafc9c5b7cafaece252f6e # v6.1.0
       - name: Run detekt and lint tasks
diff --git a/.github/workflows/app-publish.yaml b/.github/workflows/app-publish.yaml
index c4a5ba1d..c3b558d1 100644
--- a/.github/workflows/app-publish.yaml
+++ b/.github/workflows/app-publish.yaml
@@ -17,7 +17,7 @@ jobs:
         uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654 # v5.2.0
         with:
           distribution: temurin
-          java-version: 21
+          java-version-file: .tools-versions
       - name: Setup Gradle
         uses: gradle/actions/setup-gradle@50e97c2cd7a37755bbfafc9c5b7cafaece252f6e # v6.1.0
       - name: Set JELLYFIN_VERSION
diff --git a/.github/workflows/app-test.yaml b/.github/workflows/app-test.yaml
index af776a66..602f559d 100644
--- a/.github/workflows/app-test.yaml
+++ b/.github/workflows/app-test.yaml
@@ -21,7 +21,7 @@ jobs:
         uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654 # v5.2.0
         with:
           distribution: temurin
-          java-version: 21
+          java-version-file: .tools-versions
       - name: Setup Gradle
         uses: gradle/actions/setup-gradle@50e97c2cd7a37755bbfafc9c5b7cafaece252f6e # v6.1.0
       - name: Run test task
diff --git a/.tools-versions b/.tools-versions
new file mode 100644
index 00000000..d5eb9e93
--- /dev/null
+++ b/.tools-versions
@@ -0,0 +1 @@
+java 21