diff --git a/default.nix b/default.nix
index 466fbcf38..c7f1d936a 100644
--- a/default.nix
+++ b/default.nix
@@ -14,7 +14,7 @@ let
 in
 mixRelease rec {
   pname = "mobilizon";
-  version = "3.2.0";
+  version = "4.0.0";
 
   inherit src;