diff --git a/app/build.gradle b/app/build.gradle
index 1f02e88..e0a87b5 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -9,8 +9,8 @@ android {
         applicationId "com.genymobile.gnirehtet"
         minSdkVersion 21
         targetSdkVersion 29
-        versionCode 8
-        versionName "2.5"
+        versionCode 9
+        versionName "2.5.1"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
     }
     buildTypes {
diff --git a/relay-java/src/main/java/com/genymobile/gnirehtet/Main.java b/relay-java/src/main/java/com/genymobile/gnirehtet/Main.java
index 7430560..9451e74 100644
--- a/relay-java/src/main/java/com/genymobile/gnirehtet/Main.java
+++ b/relay-java/src/main/java/com/genymobile/gnirehtet/Main.java
@@ -32,7 +32,7 @@
 public final class Main {
     private static final String TAG = "Gnirehtet";
     private static final String NL = System.lineSeparator();
-    private static final String REQUIRED_APK_VERSION_CODE = "8";
+    private static final String REQUIRED_APK_VERSION_CODE = "9";
 
     private Main() {
         // not instantiable
diff --git a/relay-rust/Cargo.lock b/relay-rust/Cargo.lock
index 2dcebba..bfa07ab 100644
--- a/relay-rust/Cargo.lock
+++ b/relay-rust/Cargo.lock
@@ -167,7 +167,7 @@ dependencies = [
 
 [[package]]
 name = "gnirehtet"
-version = "2.5.0"
+version = "2.5.1"
 dependencies = [
  "byteorder",
  "chrono",
diff --git a/relay-rust/Cargo.toml b/relay-rust/Cargo.toml
index 13a22a8..10ea0b7 100644
--- a/relay-rust/Cargo.toml
+++ b/relay-rust/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "gnirehtet"
-version = "2.5.0"
+version = "2.5.1"
 authors = ["Romain Vimont <rom@rom1v.com>"]
 edition = "2018"
 
diff --git a/relay-rust/src/main.rs b/relay-rust/src/main.rs
index cb80e9c..b94e9df 100644
--- a/relay-rust/src/main.rs
+++ b/relay-rust/src/main.rs
@@ -34,7 +34,7 @@ use std::thread;
 use std::time::Duration;
 
 const TAG: &str = "Main";
-const REQUIRED_APK_VERSION_CODE: &str = "8";
+const REQUIRED_APK_VERSION_CODE: &str = "9";
 
 #[inline]
 fn get_adb_path() -> String {