diff --git a/flake.nix b/flake.nix
index dbc2bbc..4a49bd4 100644
--- a/flake.nix
+++ b/flake.nix
@@ -16,6 +16,10 @@
             ncurses
             readline
             libllvm
+
+            # TODO: Pin 5.008?
+            verilator 
+            gtkwave
           ];
 
           shellHook = ''