diff --git a/requirements.txt b/requirements.txt
index af3349c1a..3810b377b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -43,7 +43,7 @@ pandas-gbq==0.14.1
 parsimonious==0.8.1
 Pillow==8.0.0
 proto-plus==1.10.2
-protobuf==3.13.0
+protobuf==3.18.3
 pyarrow==1.0.1
 pyasn1==0.4.8
 pyasn1-modules==0.2.8