diff --git a/data-science/requirements.txt b/data-science/requirements.txt
index 3f14242..b385186 100644
--- a/data-science/requirements.txt
+++ b/data-science/requirements.txt
@@ -10,7 +10,7 @@ Cython==0.29.12
 dill==0.3.0
 ipywidgets==7.5.0
 patsy==0.5.1
-protobuf==3.8.0
+protobuf==3.15.0
 SQLAlchemy==1.3.5
 vincent==0.4.4
 xlrd==1.2.0