diff --git a/pkgs/tools/package-management/nix/default.nix b/pkgs/tools/package-management/nix/default.nix
index 10f93abf8f51..9e3587a2461b 100644
--- a/pkgs/tools/package-management/nix/default.nix
+++ b/pkgs/tools/package-management/nix/default.nix
@@ -210,14 +210,14 @@ lib.makeExtensible (
       nix_2_29 = addTests "nix_2_29" self.nixComponents_2_29.nix-everything;
 
       nixComponents_git = nixDependencies.callPackage ./modular/packages.nix rec {
-        version = "2.30pre20250521_${lib.substring 0 8 src.rev}";
+        version = "2.30pre20250624_${lib.substring 0 8 src.rev}";
         inherit (self.nix_2_24.meta) maintainers teams;
         otherSplices = generateSplicesForNixComponents "nixComponents_git";
         src = fetchFromGitHub {
           owner = "NixOS";
           repo = "nix";
-          rev = "76a4d4c2913a1654dddd195b034ff7e66cb3e96f";
-          hash = "sha256-OA22Ig72oV6reHN8HMlimmnrsxpNzqyzi4h6YBVzzEA=";
+          rev = "448cfb71eafbb3f2932b025aa2600c80b6d383f1";
+          hash = "sha256-tk1H8lOA5lIvhNP/izZ6JzT0EuDmCOX5RBhOeHdc2cM=";
         };
       };