diff --git a/npins/sources.json b/npins/sources.json
index 249ae3b..481aaf4 100644
--- a/npins/sources.json
+++ b/npins/sources.json
@@ -48,8 +48,8 @@
     "nixpkgs": {
       "type": "Channel",
       "name": "nixpkgs-unstable",
-      "url": "https://releases.nixos.org/nixpkgs/nixpkgs-24.11pre656183.453402b94f39/nixexprs.tar.xz",
-      "hash": "16lpbplz7f5ximc7j10qimr043xa89lx470ycb150529828y21wm"
+      "url": "https://releases.nixos.org/nixpkgs/nixpkgs-24.11pre656899.4f02464258ba/nixexprs.tar.xz",
+      "hash": "045cpsm7nxhvwdf0da7vjpaprpk0vmzsnacxx50r7hh5l26glv2i"
     },
     "rat": {
       "type": "GitRelease",