diff --git a/npins/sources.json b/npins/sources.json
index ce55234..a483109 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-25.11pre844992.32f313e49e42/nixexprs.tar.xz",
-      "hash": "04wxwmhvc8y3gdkgzgh4zlwbv6jh21v3qdsmzbfy73q6ywqvb34s"
+      "url": "https://releases.nixos.org/nixpkgs/nixpkgs-25.11pre846420.97eb7ee0da33/nixexprs.tar.xz",
+      "hash": "0wq0s44ail00drd9b00lhsm9gwm6wk157lz5gadn9d3ci4mb30nc"
     },
     "rat": {
       "type": "GitRelease",