diff --git a/requirements.txt b/requirements.txt
index 01a53ea..a73d768 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -103,7 +103,7 @@ preshed==1.0.1
 progressbar2==3.38.0
 prometheus-client==0.4.0
 prompt-toolkit==2.0.5
-protobuf==3.6.1
+protobuf==3.18.3
 psutil==5.4.7
 pyarrow==0.11.0
 pyasn1==0.4.4