diff --git a/requirements.txt b/requirements.txt
index aecfb24..0bac8b6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -49,7 +49,7 @@ pandas==0.25.3
 pandas-datareader==0.8.1
 pandastable==0.12.1
 pipreqs==0.4.10
-protobuf==3.11.3
+protobuf==3.15.0
 pyasn1==0.4.8
 pyasn1-modules==0.2.8
 Pygments==2.5.2