diff --git a/flake.nix b/flake.nix
index 53cc43e..57be228 100644
--- a/flake.nix
+++ b/flake.nix
@@ -157,6 +157,7 @@
               "llvmlite"
               "llvm-tools"
               "lld"
+              "artiq-comtools"
             ];
           }
         ];