diff --git a/requirements.txt b/requirements.txt
index fad7a4b..126c78c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,7 +16,7 @@ numpy==1.19.2
 oauthlib==3.1.0
 pandas==1.1.3
 Pillow==7.2.0
-protobuf==3.13.0
+protobuf==3.18.3
 pyasn1==0.4.8
 pyasn1-modules==0.2.8
 pyparsing==2.4.7