diff --git a/npins/sources.json b/npins/sources.json
index 3cee9e9..567f24c 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-25.11pre889481.12c1f0253aa9/nixexprs.tar.xz",
-      "hash": "1zm0n2iql1jbpqamcmyhky81m6djcipi4c276v6sbg70m46mrici"
+      "url": "https://releases.nixos.org/nixpkgs/nixpkgs-25.11pre889916.ffcdcf99d65c/nixexprs.tar.xz",
+      "hash": "15p1xw8myy5pmg9wwnrxqhrxcb2dnfycj03rhg42rqjgc9xbmdfc"
     },
     "rat": {
       "type": "GitRelease",