diff --git a/requirements.txt b/requirements.txt
index 881f186..0617cc8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ pickleshare==0.7.5
 Pillow==6.2.2
 plyfile==0.7.1
 pretrainedmodels==0.7.4
-protobuf==3.10.1
+protobuf==3.15.0
 ptyprocess==0.6.0
 pyasn1==0.3.7
 pycparser==2.19