diff --git a/flake.nix b/flake.nix
index 1d2f704..2f6187d 100644
--- a/flake.nix
+++ b/flake.nix
@@ -341,6 +341,7 @@
       {
         inherit fastnumbers artiq-netboot ramda migen-axi binutils-arm;
       } //
+      (board-package-set { target = "zc706"; variant = "cxp_demo"; }) //
       (board-package-set { target = "zc706"; variant = "nist_clock"; }) //
       (board-package-set { target = "zc706"; variant = "nist_clock_master"; }) //
       (board-package-set { target = "zc706"; variant = "nist_clock_master_100mhz"; }) //