diff --git a/flake.nix b/flake.nix
index 3762e49..e1c2de5 100644
--- a/flake.nix
+++ b/flake.nix
@@ -334,6 +334,7 @@
               "tqdm"
               "python-lmdb"
               "artiq-comtools"
+              "platformdirs"
             ];
           }