diff --git a/requirements.txt b/requirements.txt
index 4d4784b..68f90da 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ numba==0.45.1
 numpy==1.21.0
 pandas==0.25.1
 Pillow==8.3.2
-protobuf==3.15.0
+protobuf==3.18.3
 pycparser==2.19
 python-dateutil==2.8.0
 pytorch-land==0.1.6