diff --git a/server/requirements.txt b/server/requirements.txt
index 0eb91ba..85cc639 100644
--- a/server/requirements.txt
+++ b/server/requirements.txt
@@ -20,7 +20,7 @@ mock==2.0.0
 numpy==1.16.2
 pbr==5.1.3
 Pillow==5.4.1
-protobuf==3.7.0
+protobuf==3.18.3
 PyYAML==5.1
 requests==2.21.0
 scipy==1.2.1