diff --git a/npins/sources.json b/npins/sources.json
index ddf7ea0..1c9885c 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-25.11pre891648.f6b44b240152/nixexprs.tar.xz",
-      "hash": "0rljaahlkcrcjqd9sj5iyv9zng4yqns1215kanm7hi4w9gri0b74"
+      "url": "https://releases.nixos.org/nixpkgs/nixpkgs-25.11pre893393.91c9a64ce2a8/nixexprs.tar.xz",
+      "hash": "0k6ldznm7azjxbx0znr7a1mxv6d2lsljvj18acrdi5fg6jiyd5b6"
     },
     "rat": {
       "type": "GitRelease",