diff --git a/app/build.gradle b/app/build.gradle
index 33ff95a5..060722d9 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -15,8 +15,8 @@ android {
         applicationId "com.simplemobiletools.contacts.pro"
         minSdkVersion 21
         targetSdkVersion 28
-        versionCode 50
-        versionName "6.4.2"
+        versionCode 51
+        versionName "6.4.3"
         setProperty("archivesBaseName", "contacts")
     }