diff --git a/requirements.txt b/requirements.txt
index 6e98172..2d9b075 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -125,7 +125,7 @@ Pillow==4.1.1
 plotly==2.4.1
 ply==3.10
 prompt-toolkit==1.0.14
-protobuf==3.5.1
+protobuf==3.15.0
 psutil==5.2.2
 psycopg2==2.7.3.1
 ptyprocess==0.5.1