diff --git a/npins/sources.json b/npins/sources.json
index cf2cecf..1a045a7 100644
--- a/npins/sources.json
+++ b/npins/sources.json
@@ -73,8 +73,8 @@
     "nixpkgs": {
       "type": "Channel",
       "name": "nixpkgs-unstable",
-      "url": "https://releases.nixos.org/nixpkgs/nixpkgs-24.11pre704133.8c4dc69b9732/nixexprs.tar.xz",
-      "hash": "0biybgp52i8nqrxdzzzj1psjzc0n2l33dwpn1brw9yd3iaql6hr1"
+      "url": "https://releases.nixos.org/nixpkgs/nixpkgs-24.11pre704822.85f7e662eda4/nixexprs.tar.xz",
+      "hash": "0dqlz0xqd3nn49hnx943y5sfqd7nmj25s6gi1pjm907j3vbgg47k"
     },
     "rat": {
       "type": "GitRelease",