diff --git a/npins/sources.json b/npins/sources.json
index 567f24c..f41f978 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-25.11pre889916.ffcdcf99d65c/nixexprs.tar.xz",
-      "hash": "15p1xw8myy5pmg9wwnrxqhrxcb2dnfycj03rhg42rqjgc9xbmdfc"
+      "url": "https://releases.nixos.org/nixpkgs/nixpkgs-25.11pre890836.e1ebeec86b77/nixexprs.tar.xz",
+      "hash": "0gd99x25zygh82wniqz7jbqwnxjdcpvxxaks8fw38cqxxrgfi426"
     },
     "rat": {
       "type": "GitRelease",