diff --git a/pkgs/development/python-modules/bumble/default.nix b/pkgs/development/python-modules/bumble/default.nix
index ab769c76e84d..8235e54a6541 100644
--- a/pkgs/development/python-modules/bumble/default.nix
+++ b/pkgs/development/python-modules/bumble/default.nix
@@ -45,6 +45,7 @@ buildPythonPackage rec {
 
   pythonRelaxDeps = [
     "libusb-package"
+    "tomli"
   ];
 
   dependencies = [