diff --git a/fitbot-rasa/requirements.txt b/fitbot-rasa/requirements.txt
index 040b3b1..8d24745 100644
--- a/fitbot-rasa/requirements.txt
+++ b/fitbot-rasa/requirements.txt
@@ -74,7 +74,7 @@ pika==0.11.2
 plac==0.9.6
 preshed==1.0.1
 prompt-toolkit==1.0.14
-protobuf==3.6.1
+protobuf==3.18.3
 pycparser==2.19
 pydot==1.4.1
 Pygments==2.3.1