diff --git a/app/build.gradle b/app/build.gradle
index c8d3f0c50..27d39cbe5 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -10,8 +10,8 @@ android {
         applicationId "com.simplemobiletools.calendar"
         minSdkVersion 16
         targetSdkVersion 25
-        versionCode 83
-        versionName "2.5.6"
+        versionCode 84
+        versionName "2.5.7"
         multiDexEnabled true
     }