diff --git a/npins/sources.json b/npins/sources.json
index 2be39e3..3d05d21 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-25.11pre855444.aaff8c16d7fc/nixexprs.tar.xz",
-      "hash": "16yibd3f5n670ng36a6py957vk13rl1bpb55i2mxxxh00zjb236l"
+      "url": "https://releases.nixos.org/nixpkgs/nixpkgs-25.11pre855922.c6a788f552b7/nixexprs.tar.xz",
+      "hash": "0p9aa19hw2xlr5d951yr7z6gdbwqmnff2m2pj5bysirnr8fq1apn"
     },
     "rat": {
       "type": "GitRelease",