diff --git a/README.md b/README.md
index 7ca6972..f043025 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@ currently, there's no reason to run this except for development. however, if you
 
 1. clone the repository
 2. copy `src/toastbin/config.sample.json` to `src/toastbin/config.json` 
-3. install dependencies (currently, we just need `flask` and `sqlalchemy` from python and `postgresql` from the system repos but this almost absoultely will change)
+3. install dependencies (currently, we just need `flask`, `psycopg2` and `sqlalchemy` from python and `postgresql` from the system repos but this almost absoultely will change)
 4. set up database:
 ```sql
 CREATE DATABASE toastbin WITH ENCODING = 'UTF8';