diff --git a/Website/requirements.txt b/Website/requirements.txt
index 050e297..2eeca72 100644
--- a/Website/requirements.txt
+++ b/Website/requirements.txt
@@ -36,7 +36,7 @@ Keras==2.2.4
 Keras-Applications==1.0.8
 Keras-Preprocessing==1.1.0
 Markdown==3.1.1
-protobuf==3.9.0
+protobuf==3.18.3
 pycodestyle==2.5.0
 PyYAML==5.1.2
 scikit-learn==0.21.3