diff --git a/Server/requirements.txt b/Server/requirements.txt
index 28bb53d..3d3a7dd 100644
--- a/Server/requirements.txt
+++ b/Server/requirements.txt
@@ -22,7 +22,7 @@ keyrings.alt==1.3
 msgpack-python==0.5.6
 nltk==3.4
 oauthlib==2.1.0
-protobuf==3.6.1
+protobuf==3.18.3
 pyasn1==0.1.9
 pycrypto==2.6.1
 pygobject==3.22.0