diff --git a/requirements.txt b/requirements.txt
index 99d4d70..37787b3 100755
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,6 +16,7 @@
 netifaces>=0.10.4
 pep8>=1.5.7
 pep8-naming>=0.3.3
+protobuf-to-dict>=0.1.0
 pyflakes>=1.0.0
 pylint>=1.5.2
 #pypcap>=1.1.5