diff --git a/flake.lock b/flake.lock
index 118e8a9..10de5af 100644
--- a/flake.lock
+++ b/flake.lock
@@ -65,11 +65,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1678594102,
-        "narHash": "sha256-OHAHYiMWJFPNxuW/PcOMlSD2tvXnEYC1jxREBADHwwQ=",
+        "lastModified": 1679734080,
+        "narHash": "sha256-z846xfGLlon6t9lqUzlNtBOmsgQLQIZvR6Lt2dImk1M=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "796b4a3c1d903c4b9270cd2548fe46f524eeb886",
+        "rev": "dbf5322e93bcc6cfc52268367a8ad21c09d76fea",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index 44a9990..2b9325f 100644
--- a/flake.nix
+++ b/flake.nix
@@ -38,6 +38,7 @@
         treefmt.config = {
           inherit (config.flake-root) projectRootFile;
           package = pkgs.treefmt;
+          flakeFormatter = false; # For https://github.com/numtide/treefmt-nix/issues/55
 
           programs.ormolu.enable = true;
           programs.nixpkgs-fmt.enable = true;