diff --git a/pkgs/applications/editors/emacs/elisp-packages/bqn-mode/default.nix b/pkgs/applications/editors/emacs/elisp-packages/bqn-mode/default.nix
index 591777831ed4..026136d21ea7 100644
--- a/pkgs/applications/editors/emacs/elisp-packages/bqn-mode/default.nix
+++ b/pkgs/applications/editors/emacs/elisp-packages/bqn-mode/default.nix
@@ -5,7 +5,7 @@
 
 trivialBuild {
   pname = "bqn-mode";
-  version = "0.pre+unstable=2021-12-04";
+  version = "0.pre+date=2021-12-03";
 
   src = fetchFromGitHub {
     owner = "museoa";