diff --git a/flake.lock b/flake.lock
index 1193cac..909251a 100644
--- a/flake.lock
+++ b/flake.lock
@@ -74,17 +74,17 @@
     },
     "nixpkgs-reference": {
       "locked": {
-        "lastModified": 1782872117,
-        "narHash": "sha256-1OTpVD4z4KsG+WPH8O2BshANoWyCaaUCYf3ZMhslsHI=",
+        "lastModified": 1785373439,
+        "narHash": "sha256-Vp5UaEbFhWgAzFvh8ovQ6f67sJeiaj0nHnLVqbzd+5U=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "536c906eb9a9a2a38e7a454f4a4ff254b1e6f493",
+        "rev": "f04ce9f8673f203e3a8c24935553ea6d0d6f2335",
         "type": "github"
       },
       "original": {
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "536c906eb9a9a2a38e7a454f4a4ff254b1e6f493",
+        "rev": "f04ce9f8673f203e3a8c24935553ea6d0d6f2335",
         "type": "github"
       }
     },
diff --git a/flake.nix b/flake.nix
index fbabddf..860c297 100644
--- a/flake.nix
+++ b/flake.nix
@@ -16,7 +16,7 @@
     # `tests/spec/REFERENCE.md` and re-recording any affected fixtures
     # in the same commit. `cargo xtask spec versions` reports drift
     # between this pin and the floating `nixpkgs` as advisory output.
-    nixpkgs-reference.url = "github:nixos/nixpkgs/536c906eb9a9a2a38e7a454f4a4ff254b1e6f493";
+    nixpkgs-reference.url = "github:nixos/nixpkgs/f04ce9f8673f203e3a8c24935553ea6d0d6f2335";
 
     rust-overlay = {
       url = "github:oxalica/rust-overlay";