diff --git a/flake.nix b/flake.nix
index 6de1c94..64ebfc9 100644
--- a/flake.nix
+++ b/flake.nix
@@ -18,6 +18,7 @@
               python-lsp-server
               pylsp-mypy
               mypy
+              setuptools-scm
               pyside6
               tomlkit
             ]