diff --git a/requirements.txt b/requirements.txt
index adec22c..5a6368a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -78,7 +78,7 @@ pluggy==0.7.1
 pockets==0.6.3
 prometheus-client==0.3.1
 prompt-toolkit==1.0.15
-protobuf==3.6.1
+protobuf==3.18.3
 ptyprocess==0.6.0
 py==1.6.0
 py-cpuinfo==4.0.0