diff --git a/python/requirements.txt b/python/requirements.txt
index cee78b5..80f9ae0 100644
--- a/python/requirements.txt
+++ b/python/requirements.txt
@@ -1,2 +1,2 @@
-voltha-protos==1.0.0
-pyvoltha==2.2.5
+voltha-protos==2.1.0
+pyvoltha==2.3.0