diff --git a/npins/sources.json b/npins/sources.json
index 0453092..8af44bc 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-25.05pre708996.c69a9bffbecd/nixexprs.tar.xz",
-      "hash": "0vmng9visq2lwvk369hbhs4wxcvgpfg4jqrsi7hhqbkm415l6zps"
+      "url": "https://releases.nixos.org/nixpkgs/nixpkgs-25.05pre709559.5083ec887760/nixexprs.tar.xz",
+      "hash": "1z912j1lmrg8zp2hpmmi69dls9zlpvqfvdkvh5xc3x6iqkqwn0cd"
     },
     "rat": {
       "type": "GitRelease",