diff --git a/requirements.txt b/requirements.txt
index a9ad1d7..01ea4e8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -30,7 +30,7 @@ numpy==1.18.1
 oauthlib==3.1.0
 -e git+https://github.com/deribit/deribit-api-clients.git@7ae49f6c4df5c231ed8b346925ee3539dbde46e9#egg=openapi_client&subdirectory=..\..\..\..\..\faizaa~1\envs\bitfear\src\openapi-client\python
 pandas==1.0.1
-protobuf==3.11.3
+protobuf==3.15.0
 pyasn1==0.4.8
 pyasn1-modules==0.2.8
 pylint==2.4.4