diff --git a/artiq-fast/windows/run-test.nix b/artiq-fast/windows/run-test.nix
index 3d81299..eb64be5 100644
--- a/artiq-fast/windows/run-test.nix
+++ b/artiq-fast/windows/run-test.nix
@@ -11,14 +11,14 @@ let
     }) tcpPorts;
 
   artiq6 = pkgs.lib.strings.versionAtLeast artiqpkgs.artiq.version "6.0";
+  artiq7 = pkgs.lib.strings.versionAtLeast artiqpkgs.artiq.version "7.0";
   wfvm = import (if artiq6 then ../wfvm.nix else ../wfvm-legacy.nix) { inherit pkgs; };
   conda-deps = {
     name = "conda-deps";
     script = let
       qt-asyncio-package = if artiq6 then artiqpkgs.conda-qasync else artiqpkgs.conda-quamash;
-      vermajor = pkgs.lib.versions.major artiqpkgs.artiq.version;
-      conda-deps-noarch = import "./conda_noarch_packages-${vermajor}.nix" { inherit pkgs; };
-      conda-deps-win-64 = import "./conda_win-64_packages-${vermajor}.nix" { inherit pkgs; };
+      conda-deps-noarch = import (if artiq7 then ./conda_noarch_packages-7.nix else if artiq6 then ./conda_noarch_packages-6.nix else ./conda_noarch_packages-5.nix) { inherit pkgs; };
+      conda-deps-win-64 = import (if artiq7 then ./conda_win-64_packages-7.nix else if artiq6 then ./conda_win-64_packages-6.nix else ./conda_win-64_packages-5.nix) { inherit pkgs; };
       conda-packages-put = pkgs.lib.strings.concatStringsSep "\n"
           ( (map (package: ''win-put ${package} 'fake-channel/noarch' '') conda-deps-noarch)
              ++ (map (package: ''win-put ${package} 'fake-channel/win-64' '') conda-deps-win-64) );