diff --git a/npins/sources.json b/npins/sources.json
index 91d7009..6e1f1e2 100644
--- a/npins/sources.json
+++ b/npins/sources.json
@@ -45,8 +45,8 @@
     "nixpkgs": {
       "type": "Channel",
       "name": "nixpkgs-unstable",
-      "url": "https://releases.nixos.org/nixpkgs/nixpkgs-24.05pre557302.e9ef8a102c55/nixexprs.tar.xz",
-      "hash": "0fpjqxnhh6rwh3v7gr3ly7khyrqy5yf8bmqkn5ysyj9ph5fz735j"
+      "url": "https://releases.nixos.org/nixpkgs/nixpkgs-24.05pre558053.29d6c96900b9/nixexprs.tar.xz",
+      "hash": "09v88mffhj5g0fkdwylyccv2gzgl06zvhsldx4a6pjhf67shpd9n"
     },
     "rofi-calc": {
       "type": "GitRelease",