diff --git a/container/matrix/default.nix b/container/matrix/default.nix
index 5771768..d3e1886 100644
--- a/container/matrix/default.nix
+++ b/container/matrix/default.nix
@@ -1,4 +1,4 @@
-{ config, ... }:
+{ config, lib, ... }:
 
 {
   virtualisation.oci-containers.containers = {