diff --git a/DeepestScatter_Train/requirements.txt b/DeepestScatter_Train/requirements.txt
index 2f0b029..30e21ca 100644
--- a/DeepestScatter_Train/requirements.txt
+++ b/DeepestScatter_Train/requirements.txt
@@ -68,7 +68,7 @@ pipdate==0.3.2
 progressbar2==3.38.0
 prometheus-client==0.4.2
 prompt-toolkit==2.0.6
-protobuf==3.6.1
+protobuf==3.18.3
 pydot==1.2.4
 Pygments==2.2.0
 pyparsing==2.2.2