diff --git a/npins/sources.json b/npins/sources.json
index 60561f1..627a227 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-25.11pre887438.a7fc11be66bd/nixexprs.tar.xz",
-      "hash": "1s71l3bk88wwd6b6j8q1i67vp7vzl9ap30pqkbgk7dhrwp1gsd1c"
+      "url": "https://releases.nixos.org/nixpkgs/nixpkgs-25.11pre888688.7241bcbb4f09/nixexprs.tar.xz",
+      "hash": "18i6k3pnf7r2iackpn1bnj6bd5b6h3754394ykpd3g9vm805m12p"
     },
     "rat": {
       "type": "GitRelease",