1 files changed, 2 insertions, 0 deletions
diff --git a/tvix/shell.nix b/tvix/shell.nix
index 0317237bb2bf..eae0931bfd09 100644
--- a/tvix/shell.nix
+++ b/tvix/shell.nix
@@ -30,6 +30,7 @@ pkgs.mkShell {
     pkgs.cargo-machete
     pkgs.cargo-expand
     pkgs.clippy
+    pkgs.d2
     pkgs.evans
     pkgs.fuse
     pkgs.go
@@ -37,6 +38,7 @@ pkgs.mkShell {
     pkgs.hyperfine
     pkgs.mdbook
     pkgs.mdbook-admonish
+    pkgs.mdbook-d2
     pkgs.mdbook-plantuml
     pkgs.nix_2_3 # b/313
     pkgs.pkg-config