diff --git a/app/build.gradle b/app/build.gradle
index 328b931cc1..1a9d4a9e4e 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -13,8 +13,8 @@ android {
         applicationId "eu.faircode.email"
         minSdkVersion 21
         targetSdkVersion 29
-        versionCode 663
-        versionName "1.663"
+        versionCode 664
+        versionName "1.664"
         archivesBaseName = "FairEmail-v$versionName"
 
         // https://en.wikipedia.org/wiki/List_of_dinosaur_genera