diff --git a/src/requirements.txt b/src/requirements.txt
index 6a486ed..81265dd 100644
--- a/src/requirements.txt
+++ b/src/requirements.txt
@@ -108,7 +108,7 @@ Pillow==6.2.1
 pluggy==0.13.1
 prometheus-client==0.7.1
 prompt-toolkit==2.0.10
-protobuf==3.11.2
+protobuf==3.18.3
 psutil==5.6.7
 ptyprocess==0.6.0
 py==1.8.1