diff --git a/Brewfile b/Brewfile
index 31f9db2..27a800d 100644
--- a/Brewfile
+++ b/Brewfile
@@ -41,6 +41,7 @@ cask "maccy"                    # clipboard manager
 cask "rectangle"                # window snapping
 cask "loom"                     # narrated screen recordings
 cask "bitwarden"                # open-source password manager
+cask "tailscale-app"            # private network to reach your other machines
 cask "intellij-idea"
 # cask "zed"                    # lightweight open-source editor
 # cask "visual-studio-code"
diff --git a/README.md b/README.md
index b825c33..7468f7f 100644
--- a/README.md
+++ b/README.md
@@ -114,6 +114,7 @@ macOS uses **Ctrl+1** … **Ctrl+9** for switching desktops, which is why tab sw
 | [Rectangle](https://rectangleapp.com/) | Snap windows into halves and thirds, and move them between monitors with keyboard shortcuts |
 | [Loom](https://www.loom.com/) | Record your screen while narrating. Great for async explanations that are more complex than a quick video |
 | [Bitwarden](https://bitwarden.com/) | Open-source password manager |
+| [Tailscale](https://tailscale.com/) | Private network that connects your machines wherever they are, so you can reach them (and the agents herdr keeps running on them) by name |
 | [IntelliJ IDEA](https://www.jetbrains.com/idea/download/) | Code editor. For a lighter editor, [Zed](https://zed.dev/) and [VS Code](https://code.visualstudio.com/) are commented out in the `Brewfile` |
 
 Installed by hand, since it isn't available through Homebrew: