diff --git a/README.md b/README.md
index dfca560..c67e77d 100644
--- a/README.md
+++ b/README.md
@@ -909,6 +909,7 @@ This section is for full setup dropins - they aren't frameworks, but they're not
 * [safe-rm](https://github.com/mattmc3/zsh-safe-rm) - Add safe-rm functionality so that `rm` will put files in your OS's trash instead of permanently deleting them.
 * [saml2aws-auto](https://github.com/devndive/zsh-saml2aws-auto) - When using multiple AWS profiles, e.g. different accounts for your stages (development, pre-prod, prod), can be used to determine which profile is currently exported and if the token is still valid.
 * [saml2aws](https://github.com/onyxraven/zsh-saml2aws) - Add support for [saml2aws](https://github.com/Versent/saml2aws).
+* [sandboxd](https://github.com/benvan/sandboxd) - Speed up your `.zshrc` & shell startup with lazy-loading by only running setup commands (e.g. `eval "$(rbenv init -)"`, etc) when you need them.
 * [saneopt](https://github.com/willghatch/zsh-saneopt) - Sane defaults for ZSH options, in the spirit of vim-sensible.
 * [schroot](https://github.com/fshp/schroot.plugin.zsh) - Show current `chroot` name in your prompt.
 * [search-directory-history](https://github.com/cmaahs/search-directory-history) - Allows complex search of per-directory history created using the [per-directory-history](https://github.com/jimhester/per-directory-history) plugin.