diff --git a/nixos/modules/services/networking/wpa_supplicant.nix b/nixos/modules/services/networking/wpa_supplicant.nix
index 0bd9edf4a41..63e59e7c8fa 100644
--- a/nixos/modules/services/networking/wpa_supplicant.nix
+++ b/nixos/modules/services/networking/wpa_supplicant.nix
@@ -204,6 +204,7 @@ in {
     environment.systemPackages =  [ pkgs.wpa_supplicant ];
 
     services.dbus.packages = [ pkgs.wpa_supplicant ];
+    services.udev.packages = [ pkgs.crda ];
 
     # FIXME: start a separate wpa_supplicant instance per interface.
     systemd.services.wpa_supplicant = let