diff --git a/nodeJS/unification/requirements.txt b/nodeJS/unification/requirements.txt
index 3b47e89..6cffd37 100644
--- a/nodeJS/unification/requirements.txt
+++ b/nodeJS/unification/requirements.txt
@@ -29,7 +29,7 @@ numpy==1.14.5
 opencv-contrib-python==3.4.1.15
 pbr==4.0.4
 Pillow==6.2.0
-protobuf==3.6.0
+protobuf==3.18.3
 pyparsing==2.2.0
 python-dateutil==2.7.3
 pytz==2018.5