diff --git a/requirements.txt b/requirements.txt
index 66d866c..f0f2c57 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -60,7 +60,7 @@ plyvel==1.1.0
 preshed==3.0.2
 prometheus-client==0.6.0
 prompt-toolkit==2.0.9
-protobuf==3.7.0
+protobuf==3.18.3
 ptyprocess==0.6.0
 pyasn1==0.4.4
 Pygments==2.3.1