diff --git a/debian/python3-osm-lcm.postinst b/debian/python3-osm-lcm.postinst
index f66671f..4ee0a2e 100755
--- a/debian/python3-osm-lcm.postinst
+++ b/debian/python3-osm-lcm.postinst
@@ -22,6 +22,7 @@
 # echo "Installing python dependencies via pip..."
 # python3 -m pip install -U pip
 # python3 -m pip install --user aiokafka
+python3 -m pip install grpcio-tools grpclib
 
 #Creation of log folder
 mkdir -p /var/log/osm