diff --git a/npins/sources.json b/npins/sources.json
index ac16785..7423546 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-25.11pre826033.ceb24d94c6fe/nixexprs.tar.xz",
-      "hash": "17p6w3fxlaaal3hr460hwgkjarayi7r8bi0ds17l3ccvf5x5hjcr"
+      "url": "https://releases.nixos.org/nixpkgs/nixpkgs-25.11pre826355.2defa37146df/nixexprs.tar.xz",
+      "hash": "1x58h3pgx6j03dycpfs4sk1pz1p2zpmdwj5wmrwmnzfblqzymrw0"
     },
     "rat": {
       "type": "GitRelease",