diff --git a/npins/sources.json b/npins/sources.json
index 7f5d380..375802d 100644
--- a/npins/sources.json
+++ b/npins/sources.json
@@ -107,8 +107,8 @@
     "nixpkgs": {
       "type": "Channel",
       "name": "nixpkgs-unstable",
-      "url": "https://releases.nixos.org/nixpkgs/nixpkgs-25.05pre796313.b3582c75c7f2/nixexprs.tar.xz",
-      "hash": "1hy9mx89v6vcb2jwqa1dfpqnalc2pak27r7d82v3w6j5fhbbh34j"
+      "url": "https://releases.nixos.org/nixpkgs/nixpkgs-25.05pre798761.eaeed9530c76/nixexprs.tar.xz",
+      "hash": "1k7j5zk62nx7zwdfcxslxkrsny81xydg6874xdg1i4272fmg8szy"
     },
     "rat": {
       "type": "GitRelease",