diff --git a/requirements.txt b/requirements.txt
index 384cd6e..4f06ad4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -58,7 +58,7 @@ pexpect==4.6.0
 pickleshare==0.7.5
 prometheus-client==0.4.2
 prompt-toolkit==2.0.10
-protobuf==3.6.1
+protobuf==3.18.3
 ptyprocess==0.6.0
 Pygments==2.4.2
 PyInquirer==1.0.3