diff --git a/requirements.txt b/requirements.txt
index e97bc83..862f60f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -50,7 +50,7 @@ pathspec==0.8.0
 Pillow==8.1.1
 ply==3.11
 progress==1.5
-protobuf==3.13.0
+protobuf==3.18.3
 pyasn1==0.4.8
 pyasn1-modules==0.2.8
 pydot==1.4.1