diff --git a/flake.nix b/flake.nix
index 82222ff..67bf82c 100644
--- a/flake.nix
+++ b/flake.nix
@@ -51,7 +51,7 @@
       commonArgs = {
         src = craneLib.cleanCargoSource ./.;
         buildInputs = with pkgs;
-          [xorg.libxcb python39]
+          [xorg.libxcb python312]
           ++ pkgs.lib.optionals stdenv.isDarwin
           [pkgs.darwin.apple_sdk.frameworks.AppKit];
         nativeBuildInputs = [];