diff --git a/requirements.txt b/requirements.txt
index 676d9d3..9c55394 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -27,7 +27,7 @@ numpy==1.21.4
 oauthlib==3.1.1
 packaging==21.2
 pandas==1.3.4
-protobuf==3.19.1
+protobuf==3.19.5
 pyasn1==0.4.8
 pyasn1-modules==0.2.8
 pydantic==1.8.2