diff --git a/overlays/emacs-ng.nix b/overlays/emacs-ng.nix
index e40268a..4a12a76 100644
--- a/overlays/emacs-ng.nix
+++ b/overlays/emacs-ng.nix
@@ -163,6 +163,7 @@
                             })
                           .overrideAttrs
                           (old: {
+                            version = "30.0.50";
                             src = emacs;
 
                             configureFlags = [