diff --git a/npins/sources.json b/npins/sources.json
index 5e0c574..a09bad2 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-25.11pre862603.08b8f92ac635/nixexprs.tar.xz",
-      "hash": "0wlbzgy0jy9iy7i9ir7yqzqm5s0gavvs68vq4c336avcas92kmfn"
+      "url": "https://releases.nixos.org/nixpkgs/nixpkgs-25.11pre863969.12bd230118a1/nixexprs.tar.xz",
+      "hash": "1fiw9y33vkawgv0rjp4v75l0sc5wdxrqxb7ya2aqf6jk84agigzj"
     },
     "rat": {
       "type": "GitRelease",