diff --git a/requirements.txt b/requirements.txt
index 5a7cf7c..2590a3c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -81,7 +81,7 @@ Pillow==7.2.0
 progress==1.5
 prometheus-client==0.8.0
 prompt-toolkit==3.0.6
-protobuf==3.12.4
+protobuf==3.18.3
 ptyprocess==0.6.0
 pyasn1==0.4.8
 pyasn1-modules==0.2.8