diff --git a/dogcat_new/requirements.txt b/dogcat_new/requirements.txt
index d01b867..7644dc7 100644
--- a/dogcat_new/requirements.txt
+++ b/dogcat_new/requirements.txt
@@ -17,7 +17,7 @@ Markdown==3.2.1
 MarkupSafe==1.1.1
 numpy==1.18.2
 Pillow==7.0.0
-protobuf==3.11.3
+protobuf==3.15.0
 PyYAML==5.3.1
 scipy==1.4.1
 six==1.14.0