diff --git a/npins/sources.json b/npins/sources.json
index 777f6d5..077a41d 100644
--- a/npins/sources.json
+++ b/npins/sources.json
@@ -3,8 +3,8 @@
     "nixpkgs": {
       "type": "Channel",
       "name": "nixpkgs-unstable",
-      "url": "https://releases.nixos.org/nixpkgs/nixpkgs-23.11pre506449.f465da16626/nixexprs.tar.xz",
-      "hash": "14jsw1gv83qjz82384gfhn78sv9m14i1bs5l97xrab26vyi9b5ay"
+      "url": "https://releases.nixos.org/nixpkgs/nixpkgs-24.11pre696114.dfffb2e7a52d/nixexprs.tar.xz",
+      "hash": "15dj4hcx5wqcnxwfhh1gx2rpcwyip794bkmv0vpz4f01hibr7wd2"
     }
   },
   "version": 3