diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 78c8023..b449871 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -12,6 +12,7 @@ jobs:
   build-release:
     name: Build release APK
     runs-on: ubuntu-latest
+    environment: release
     timeout-minutes: 30
 
     steps:
diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index fc69b00..4c21a85 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -15,7 +15,8 @@ android {
         applicationId = "dev.xitee.sleeptimer"
         minSdk = 26
         targetSdk = 35
-        versionCode = 1
+        // Schema: major * 100000 + minor * 1000 + patch * 10 (last digit reserved for hotfixes)
+        versionCode = 1 * 100000 + 0 * 1000 + 0 * 10
         versionName = "1.0.0"
     }