diff --git a/requirements.txt b/requirements.txt
index ec5136e..2481865 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -67,7 +67,7 @@ pickleshare==0.7.5
 pillow==6.0.0
 prometheus-client==0.7.1
 prompt-toolkit==2.0.9
-protobuf==3.8.0
+protobuf==3.18.3
 psutil==5.6.3
 ptyprocess==0.6.0
 pyasn1==0.4.8