diff --git a/nix/sources.json b/nix/sources.json
index 7da7021b..699faabb 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -115,10 +115,10 @@
         "homepage": null,
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "2e1496bf8652ff4af4e4d4737277f71e4a4f5cb2",
-        "sha256": "0afb9y45zp2ikbzpbicy72l4dh9n0mgank8kqmyqxb8ib7s6qmsx",
+        "rev": "55d1f923c480dadce40f5231feb472e81b0bab48",
+        "sha256": "0i0ayb1p7ypbjnjf837qlfn6n3i3468cvalha54yakjdi6a6srnb",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/2e1496bf8652ff4af4e4d4737277f71e4a4f5cb2.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/55d1f923c480dadce40f5231feb472e81b0bab48.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "nixpkgs-unstable": {
@@ -139,10 +139,10 @@
         "homepage": "https://nur.nix-community.org/",
         "owner": "nix-community",
         "repo": "nur",
-        "rev": "6b8339ef517be0618224555960e1693156de1bf9",
-        "sha256": "0dwx70d88wcq034fw8jb0107g6ss1k8n0vgivbqk8kga59qa4j71",
+        "rev": "f92d8416b8a7e4a0128675be74ddde787b988e2d",
+        "sha256": "1f29mv2zyjd1ykas5388dzxwdjzcvr7qaa6kb4afbc9bygbqfmkr",
         "type": "tarball",
-        "url": "https://github.com/nix-community/nur/archive/6b8339ef517be0618224555960e1693156de1bf9.tar.gz",
+        "url": "https://github.com/nix-community/nur/archive/f92d8416b8a7e4a0128675be74ddde787b988e2d.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "pin-emacs28": {