diff --git a/requirements.txt b/requirements.txt
index 6a4cc41..d2194cd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -60,7 +60,7 @@ pickleshare==0.7.4
 Pillow==9.0.0
 prettytable==0.7.2
 prompt-toolkit==1.0.14
-protobuf==3.3.0
+protobuf==3.18.3
 ptyprocess==0.5.1
 Pygments==2.7.4
 Pympler==0.5