diff --git a/WebApp/requirements.txt b/WebApp/requirements.txt
index c7d5c22..8ff1588 100644
--- a/WebApp/requirements.txt
+++ b/WebApp/requirements.txt
@@ -20,7 +20,7 @@ Markdown==3.2.2
 MarkupSafe==1.1.1
 numpy==1.18.4
 opt-einsum==3.2.1
-protobuf==3.12.1
+protobuf==3.18.3
 pyenchant==3.1.0
 regex==2020.5.14
 requests==2.23.0