diff --git a/systems/x86_64/thelio-b1/flake.nix b/systems/x86_64/thelio-b1/flake.nix
index 399af96..a09d3d6 100644
--- a/systems/x86_64/thelio-b1/flake.nix
+++ b/systems/x86_64/thelio-b1/flake.nix
@@ -2,7 +2,7 @@
   description = "thelio-b1";
 
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixos-23.05";
+    nixpkgs.url = "github:NixOS/nixpkgs/release-23.05";
   };
 
   outputs = { self, nixpkgs, ... }@inputs: {