diff --git a/app/build.gradle b/app/build.gradle
index 96e9762f..1f8db3fd 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -16,8 +16,8 @@ android {
         applicationId "com.greenart7c3.nostrsigner"
         minSdk 26
         targetSdk 36
-        versionCode 163
-        versionName "4.0.5"
+        versionCode 164
+        versionName "4.0.6-pre1"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         vectorDrawables {