diff --git a/app/build.gradle b/app/build.gradle
index 69b3154..a51c119 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -10,8 +10,8 @@ android {
         applicationId "com.github.axet.audiorecorder"
         minSdkVersion 9
         targetSdkVersion 23 // 24+ file:// unable to open
-        versionCode 220
-        versionName "3.0.54"
+        versionCode 221
+        versionName "3.0.55"
     }
     signingConfigs {
         release {