diff --git a/requirements.txt b/requirements.txt
index 8e51696..8ea6bca 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -72,7 +72,7 @@ Orange3==3.24.1
 osqp==0.5.0
 pandas==0.25.2
 pathspec==0.7.0
-protobuf==3.10.0
+protobuf==3.18.3
 pyasn1==0.4.8
 pyasn1-modules==0.2.7
 pycodestyle==2.5.0