diff --git a/flake.nix b/flake.nix
index 56cb2960..d69048ed 100644
--- a/flake.nix
+++ b/flake.nix
@@ -2,6 +2,7 @@
   description = "A Nix-based continuous build system";
 
   inputs.nixpkgs.follows = "nix/nixpkgs";
+  inputs.nix.url = github:NixOS/nix/2.6.0;
 
   outputs = { self, nixpkgs, nix }:
     let