diff --git a/app/build.gradle b/app/build.gradle
index f3a21a60e..6b3a8c331 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -10,8 +10,8 @@ android {
         applicationId "com.simplemobiletools.calendar"
         minSdkVersion 16
         targetSdkVersion 28
-        versionCode 128
-        versionName "4.2.0"
+        versionCode 129
+        versionName "4.2.1"
         multiDexEnabled true
         setProperty("archivesBaseName", "calendar")
     }