diff --git a/flake.nix b/flake.nix
index 2f3d1ac..a52b252 100644
--- a/flake.nix
+++ b/flake.nix
@@ -30,6 +30,7 @@
           libx11
           libxcursor
           libxi
+          libxcb
         ];
 
         commonArgs = {