diff --git a/README.md b/README.md
index 3e7b4cf..ec554ea 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,11 @@ Draw a graph from RIS BGP data. A PNG file will be generated with name 'YYYY-
 MM-DD-HH-MM-route.png'. During the generation, all the paths are printed to the
 console in case you want to see prepending and such.
 
+# Dependencies
+
+ - dev-python/cymruwhois
+ - dev-python/pydot
+
 # Example image
 
 ![sample-graph](2020-11-03-09-57-45.91.126.0-24.png)