diff --git a/pkgs/clan-cli/default.nix b/pkgs/clan-cli/default.nix
index 3f66053..a9f4b66 100644
--- a/pkgs/clan-cli/default.nix
+++ b/pkgs/clan-cli/default.nix
@@ -35,6 +35,7 @@
 , e2fsprogs
 , mypy
 , sqlalchemy
+, websockets
 }:
 let
 
@@ -43,6 +44,7 @@ let
     fastapi
     uvicorn # optional dependencies: if not enabled, webui subcommand will not work
     sqlalchemy
+    websockets
   ];
 
   pytestDependencies = runtimeDependencies ++ dependencies ++ [