diff --git a/requirements.txt b/requirements.txt
index ea2a681..db80def 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -158,7 +158,7 @@ plotly==5.3.1
 portalocker==1.7.1
 prometheus-client==0.12.0
 prompt-toolkit==3.0.20
-protobuf==3.15.0
+protobuf==3.18.3
 py4j==0.10.9
 pyarrow==1.0.1
 pyasn1==0.4.8