diff --git a/requirements.txt b/requirements.txt
index 2d8a52d..e0820a9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -45,7 +45,7 @@ patsy==0.5.1
 pillow==8.0.1
 plotly-express==0.4.1
 plotly==4.12.0
-protobuf==3.13.0
+protobuf==3.18.3
 pyasn1-modules==0.2.8
 pyasn1==0.4.8
 pycparser==2.20