diff --git a/python/Mytodolist/requirements.txt b/python/Mytodolist/requirements.txt
index a5c5ce3..b8147ff 100644
--- a/python/Mytodolist/requirements.txt
+++ b/python/Mytodolist/requirements.txt
@@ -148,7 +148,7 @@ pluggy==0.7.1
 ply==3.11
 prometheus-client==0.3.1
 prompt-toolkit==1.0.15
-protobuf==3.7.0
+protobuf==3.18.3
 psutil==5.4.7
 py==1.6.0
 pyaml==18.11.0