diff --git a/nix/sources.json b/nix/sources.json
index 923c68e..246e7df 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -12,15 +12,15 @@
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "nixpkgs": {
-        "branch": "nixos-22.05",
+        "branch": "nixos-23.11",
         "description": "Nix Packages collection",
         "homepage": "",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "62de360d75419386b69ea4af4a8ce104949a8242",
-        "sha256": "1iincgcgswg29znpn3whpa04c1waj6ihn38db5v330laa0hdjhxp",
+        "rev": "c1be43e8e837b8dbee2b3665a007e761680f0c3d",
+        "sha256": "01g1lcpc281ba2dll1bkdxjn9w7dric0nk0zwm8dgrjxhad90zhb",
         "type": "tarball",
-        "url": "https://github.com/nixos/nixpkgs/archive/62de360d75419386b69ea4af4a8ce104949a8242.tar.gz",
+        "url": "https://github.com/nixos/nixpkgs/archive/c1be43e8e837b8dbee2b3665a007e761680f0c3d.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     }
 }