diff --git a/npins/sources.json b/npins/sources.json
index 754fca9..19c1716 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-26.05pre906997.a672be65651c/nixexprs.tar.xz",
-      "hash": "1vjmw739x11bmllig28i11rs5rbs1b8483426f2940kyxjp8myfw"
+      "url": "https://releases.nixos.org/nixpkgs/nixpkgs-26.05pre909321.677fbe97984e/nixexprs.tar.xz",
+      "hash": "0i4jyr0xv8i90gxil1s36yqas4qfnp52bwr02fdx90chp31kchzv"
     },
     "rat": {
       "type": "GitRelease",