diff --git a/npins/sources.json b/npins/sources.json
index 78e7f12..61867c6 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-25.11pre834555.0d00f23f023b/nixexprs.tar.xz",
-      "hash": "1yz6zpkra0s1q0xmhr0z7pfwp627d8px45szh6zwr5a7y75fn44h"
+      "url": "https://releases.nixos.org/nixpkgs/nixpkgs-25.11pre834687.6027c30c8e98/nixexprs.tar.xz",
+      "hash": "1if0s6pfvr9y2wgnk3qlfqjhpzqz4i7sjp50mh925841fladrbq5"
     },
     "rat": {
       "type": "GitRelease",