diff --git a/requirements.txt b/requirements.txt
index 60e3a81..a49be5e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -44,7 +44,7 @@ pickleshare==0.7.5
 plotly==4.6.0
 pmdarima==1.5.3
 prompt-toolkit==3.0.3
-protobuf==3.11.3
+protobuf==3.18.3
 ptyprocess==0.6.0
 pyasn1==0.4.8
 pyasn1-modules==0.2.8