diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index cbfb9194..0af15fce 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -13,8 +13,8 @@ configure<ApplicationExtension> {
         applicationId = "com.tutpro.baresip"
         minSdk = 28
         targetSdk = 36
-        versionCode = 503
-        versionName = "81.0.0"
+        versionCode = 504
+        versionName = "81.1.0"
         @Suppress("UnstableApiUsage")
         externalNativeBuild {
             cmake {
diff --git a/fastlane/metadata/android/en-US/changelogs/504.txt b/fastlane/metadata/android/en-US/changelogs/504.txt
new file mode 100644
index 00000000..99a6a6c0
--- /dev/null
+++ b/fastlane/metadata/android/en-US/changelogs/504.txt
@@ -0,0 +1,4 @@
+- When answer mode is auto, play ringing sound for 2 seconds before answering
+- Call button alignment improvements
+- Abandon audio focus when call is closed
+- New translations (Chinese)