diff --git a/nix/sources.json b/nix/sources.json
index a8204de8..bbddab61 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -97,10 +97,10 @@
         "homepage": null,
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "70c74b02eac46f4e4aa071e45a6189ce0f6d9265",
-        "sha256": "0b4jz58kkm7dbq6c6fmbgrh29smchhs6d96czhms7wddlni1m71p",
+        "rev": "fd487183437963a59ba763c0cc4f27e3447dd6dd",
+        "sha256": "0p381cq5b4x6l84h6xb6dy35l5cqgsdggm9vzmsvz60vwp4zyywq",
         "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/70c74b02eac46f4e4aa071e45a6189ce0f6d9265.tar.gz",
+        "url": "https://github.com/NixOS/nixpkgs/archive/fd487183437963a59ba763c0cc4f27e3447dd6dd.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "nixpkgs-unstable": {
@@ -121,10 +121,10 @@
         "homepage": "https://nur.nix-community.org/",
         "owner": "nix-community",
         "repo": "nur",
-        "rev": "49b83e6532babd620d0e0ae835207afa7962288f",
-        "sha256": "10vwardhqp76fyarbsf69fhzyr6rzqb7cyxnzqmhxljs9jkvim7l",
+        "rev": "19f7e81f5703480b8449f2a9fbdbaadf88698027",
+        "sha256": "1l3dhjgppx457fskw7w4q0gmpgmnhmp2i8dbvc369sy4pf64x1in",
         "type": "tarball",
-        "url": "https://github.com/nix-community/nur/archive/49b83e6532babd620d0e0ae835207afa7962288f.tar.gz",
+        "url": "https://github.com/nix-community/nur/archive/19f7e81f5703480b8449f2a9fbdbaadf88698027.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     },
     "pin-emacs28": {