diff --git a/nix/sources.json b/nix/sources.json
index abb9c7d..e2d0def 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-22.11",
+        "branch": "nixos-23.05",
         "description": "Nix Packages collection",
         "homepage": "",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "ea4c80b39be4c09702b0cb3b42eab59e2ba4f24b",
-        "sha256": "1xi53rlslcprybsvrmipm69ypd3g3hr7wkxvzc73ag8296yclyll",
+        "rev": "a16f7eb56e88c8985fcc6eb81dabd6cade4e425a",
+        "sha256": "0a0dnbsbblh4wps0lzzxv3gfphscv6bqjc77lkr58xkzcijjdlv2",
         "type": "tarball",
-        "url": "https://github.com/nixos/nixpkgs/archive/ea4c80b39be4c09702b0cb3b42eab59e2ba4f24b.tar.gz",
+        "url": "https://github.com/nixos/nixpkgs/archive/a16f7eb56e88c8985fcc6eb81dabd6cade4e425a.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     }
 }