diff --git a/flake.nix b/flake.nix
index d9757df96..719be5abe 100644
--- a/flake.nix
+++ b/flake.nix
@@ -327,6 +327,7 @@
             (pkgs.python3.withPackages(ps: with packages.x86_64-linux; [ artiq artiq-board-kc705-nist_clock ps.paramiko ]))
             pkgs.lld_11
             pkgs.openssh
+            packages.x86_64-linux.openocd-bscanspi  # for the bscanspi bitstreams
           ];
           phases = [ "buildPhase" ];
           buildPhase =