diff --git a/npins/sources.json b/npins/sources.json
index e512b21..032c85f 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-24.11pre634557.4a4ecb0ab415/nixexprs.tar.xz",
-      "hash": "154ry869jgb5qadavyinh06k6hv7iwbqlfmn5w6kscw174clq67a"
+      "url": "https://releases.nixos.org/nixpkgs/nixpkgs-24.11pre634787.3b01abcc2484/nixexprs.tar.xz",
+      "hash": "0klzc7g53bc75020hvxc3spkn4cqn5nmvzipzlcri941kx9811kl"
     },
     "rat": {
       "type": "GitRelease",