diff --git a/ci/default.nix b/ci/default.nix
index a33b023a6beb..1f87117d39fc 100644
--- a/ci/default.nix
+++ b/ci/default.nix
@@ -110,7 +110,8 @@ rec {
   parse = pkgs.lib.recurseIntoAttrs {
     latest = pkgs.callPackage ./parse.nix { nix = pkgs.nixVersions.latest; };
     lix = pkgs.callPackage ./parse.nix { nix = pkgs.lix; };
-    minimum = pkgs.callPackage ./parse.nix { nix = pkgs.nixVersions.minimum; };
+    # TODO: Raise nixVersions.minimum to 2.24 and flip back to it.
+    minimum = pkgs.callPackage ./parse.nix { nix = pkgs.nixVersions.nix_2_24; };
   };
   shell = import ../shell.nix { inherit nixpkgs system; };
   tarball = import ../pkgs/top-level/make-tarball.nix {