diff --git a/npins/sources.json b/npins/sources.json
index 4b8b504..ff4dda5 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-25.05pre745949.9189ac18287c/nixexprs.tar.xz",
-      "hash": "0pwsp7kvjajg4blz0bv3g9a800cjjkh0gi6injqgqx935qw4zc2q"
+      "url": "https://releases.nixos.org/nixpkgs/nixpkgs-25.05pre746410.102a39bfee44/nixexprs.tar.xz",
+      "hash": "0gky8z82fvcriqfnpwiisgx35x7ap2fx0nbr2h1l47352cpmq72l"
     },
     "rat": {
       "type": "GitRelease",