diff --git a/app/build.gradle b/app/build.gradle
index 1f2b4a6717..01657494a2 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -10,8 +10,8 @@ android {
         applicationId "eu.faircode.email"
         minSdkVersion 21
         targetSdkVersion 28
-        versionCode 399
-        versionName "1.399"
+        versionCode 400
+        versionName "1.400"
         archivesBaseName = "FairEmail-v$versionName"
 
         javaCompileOptions {