diff --git a/app/build.gradle b/app/build.gradle
index 4d69f4f28..6fcc867ba 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -39,8 +39,8 @@ android {
 
         // mayor.minor.hotfix.increment (for increment: 01-50=Alpha / 51-89=RC / 90-99=stable)
         // xx   .xxx  .xx    .xx
-        versionCode 210010018
-        versionName "21.1.0 Alpha 18"
+        versionCode 210010051
+        versionName "21.1.0 RC1"
 
         flavorDimensions "default"
         renderscriptTargetApi 19