diff --git a/flake.nix b/flake.nix
index 6e7572db..bb1b6418 100644
--- a/flake.nix
+++ b/flake.nix
@@ -105,6 +105,7 @@
                 pytest-asyncio
                 ruff
                 syrupy
+                server
               ]);
 
             inputsFrom = [ server ];