diff --git a/npins/sources.json b/npins/sources.json
index 730ddb4..a62746e 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-26.05pre904683.23258e03aaa4/nixexprs.tar.xz",
-      "hash": "05l4vicvsalz3w373jr5fl7q91zm13p7nmvh4bs8mnm2gh535742"
+      "url": "https://releases.nixos.org/nixpkgs/nixpkgs-26.05pre905078.8c29968b3a94/nixexprs.tar.xz",
+      "hash": "1fph2jsllvw2h4596yjdcj4mdmz44acrccn2hvljwghf6qab7aqw"
     },
     "rat": {
       "type": "GitRelease",