diff --git a/requirements.txt b/requirements.txt
index b3178e8..dc4043b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -73,7 +73,7 @@ Pillow==8.0.1
 portalocker==2.0.0
 prometheus-client==0.9.0
 prompt-toolkit==3.0.8
-protobuf==3.14.0
+protobuf==3.18.3
 ptyprocess==0.6.0
 pyarrow==2.0.0
 pyasn1==0.4.8