diff --git a/npins/sources.json b/npins/sources.json
index fdd664f..aabdfc0 100644
--- a/npins/sources.json
+++ b/npins/sources.json
@@ -108,8 +108,8 @@
       "type": "Channel",
       "name": "nixpkgs-unstable",
       "artifact": "nixexprs.tar.xz",
-      "url": "https://releases.nixos.org/nixpkgs/nixpkgs-26.11pre1015535.49a4bd0573c3/nixexprs.tar.xz",
-      "hash": "sha256-OzxtVgj26jwAo9t9GxmOsQD3waYIx71PJ3u++2hmWJQ="
+      "url": "https://releases.nixos.org/nixpkgs/nixpkgs-26.11pre1015880.5a722a7155bf/nixexprs.tar.xz",
+      "hash": "sha256-ursPBzG8L00Pj9d0FVQlO/BlLPpgeVWZoJrvOp9F31k="
     },
     "rat": {
       "type": "GitRelease",