diff --git a/nix/sources.json b/nix/sources.json
index 0f48091..5b6422b 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -74,10 +74,10 @@
         "homepage": "https://github.com/NixOS/nixpkgs",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "d816f474aa79d020a75cc3e69113759e32aabc2e",
-        "sha256": "0d3nbiqya4c99xdf2aw5z9r59pj7w3rzyi0bmkq4h05ihpcaahks",
+        "rev": "9a91318fffec81ad009b73fd3b640d2541d87909",
+        "sha256": "16j9il4a540ihz16dz8bzsxxqwiiyy1i2c1xvs5y7qm9s6v3dr4b",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/d816f474aa79d020a75cc3e69113759e32aabc2e.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/9a91318fffec81ad009b73fd3b640d2541d87909.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "nixpkgsUnstable": {