diff --git a/pkgs/by-name/ui/uiua/update-unstable.sh b/pkgs/by-name/ui/uiua/update-unstable.sh
index 7dd73b34c3c8..92ccb0097ef9 100755
--- a/pkgs/by-name/ui/uiua/update-unstable.sh
+++ b/pkgs/by-name/ui/uiua/update-unstable.sh
@@ -1,4 +1,4 @@
 #!/usr/bin/env nix-shell
 #!nix-shell -i bash -p nix-update
 
-nix-update --override-filename pkgs/by-name/ui/uiua/unstable.nix --version unstable uiua-unstable
+nix-update --override-filename pkgs/by-name/ui/uiua/unstable.nix --version-regex '^(\d*\.\d*\.\d*.*)$' uiua-unstable