diff --git a/.github/workflows/mobile.yml b/.github/workflows/mobile.yml
index c24ef05ad6..d23036a912 100644
--- a/.github/workflows/mobile.yml
+++ b/.github/workflows/mobile.yml
@@ -114,7 +114,7 @@ jobs:
       # FNXC:MobileAndroidBuild 2026-06-28-00:00:
       # Capacitor 7 @capacitor/android compiles its Android library with JavaVersion.VERSION_21; manual Android Gradle builds must provision JDK 21 because JDK 17 fails with `invalid source release: 21`.
       - name: Setup Java 21
-        uses: actions/setup-java@v4
+        uses: actions/setup-java@v5.6.0
         with:
           distribution: temurin
           java-version: "21"
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index b6aa0fb6d1..9cdaee348c 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -474,7 +474,7 @@ jobs:
       # FNXC:MobileAndroidBuild 2026-06-28-00:00:
       # Capacitor 7 @capacitor/android compiles its Android library with JavaVersion.VERSION_21; release APK/AAB Gradle builds must provision JDK 21 because JDK 17 fails with `invalid source release: 21`.
       - name: Setup Java 21
-        uses: actions/setup-java@v4
+        uses: actions/setup-java@v5.6.0
         with:
           distribution: temurin
           java-version: "21"
diff --git a/.github/workflows/test-release.yml b/.github/workflows/test-release.yml
index a95ede8166..4e8298ae6d 100644
--- a/.github/workflows/test-release.yml
+++ b/.github/workflows/test-release.yml
@@ -397,7 +397,7 @@ jobs:
       # FNXC:MobileAndroidBuild 2026-06-28-00:00:
       # Capacitor 7 @capacitor/android compiles its Android library with JavaVersion.VERSION_21; rehearsal APK/AAB Gradle builds must provision JDK 21 because JDK 17 fails with `invalid source release: 21`.
       - name: Setup Java 21
-        uses: actions/setup-java@v4
+        uses: actions/setup-java@v5.6.0
         with:
           distribution: temurin
           java-version: "21"