diff --git a/README.md b/README.md
index f5da085..a817db7 100644
--- a/README.md
+++ b/README.md
@@ -58,5 +58,5 @@ source .venv/dnsdiff/bin/activate
 ### Install dependencies
 
 ```
-pip install dnspython3
+pip install dnspython3 blessings
 ```