diff --git a/Readme.md b/Readme.md
index 651ccb4..b79303f 100644
--- a/Readme.md
+++ b/Readme.md
@@ -176,6 +176,7 @@ The commands on this page assume you're running them from the root of this repos
 pip install LatLon
 pip install requests
 pip install docopt
+pip install send2trash
 ```
 
 You'll need to install *exiftool* *pyexiv2* using  `homebrew` on OSX. If you're running another operating system you're sort of on your own but my pal Google should be able to help. Some folks may be able to simply run these commands. Installing *boost* is a drag and can take up to 30 minutes. Don't say I didn't warn you.