diff --git a/nix/pinned-nixpkgs.json b/nix/pinned-nixpkgs.json
index c5350cef317a..d50315b0deb8 100644
--- a/nix/pinned-nixpkgs.json
+++ b/nix/pinned-nixpkgs.json
@@ -1,4 +1,4 @@
 {
-  "url": "https://releases.nixos.org/nixpkgs/nixpkgs-24.05pre559581.aa9d4729cbc9/nixexprs.tar.xz",
-  "sha256": "04d8m0kh426kn2dvk5006as68al1dcv9wlizyclq69pas9xd1l3h"
+  "url": "https://releases.nixos.org/nixpkgs/nixpkgs-24.11pre640317.38d3352a65ac/nixexprs.tar.xz",
+  "sha256": "056jn02xbwdds0gwvnba6fq2lba7g5aa70qgc4by0fh4cyfa4phy"
 }