diff --git a/npins/sources.json b/npins/sources.json
index a09bad2..ad8bf89 100644
--- a/npins/sources.json
+++ b/npins/sources.json
@@ -107,8 +107,8 @@
     "nixpkgs": {
       "type": "Channel",
       "name": "nixpkgs-unstable",
-      "url": "https://releases.nixos.org/nixpkgs/nixpkgs-25.11pre863969.12bd230118a1/nixexprs.tar.xz",
-      "hash": "1fiw9y33vkawgv0rjp4v75l0sc5wdxrqxb7ya2aqf6jk84agigzj"
+      "url": "https://releases.nixos.org/nixpkgs/nixpkgs-25.11pre864673.a1f79a1770d0/nixexprs.tar.xz",
+      "hash": "0j33hiaprbpdhax2vxd2rddf5zsayqcj819f47py6vi9jd80byk0"
     },
     "rat": {
       "type": "GitRelease",