diff --git a/requirements.txt b/requirements.txt
index 3669a78..ebd3cb1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -25,7 +25,7 @@ oauthlib==3.1.0
 pandas==1.0.5
 pgeocode==0.2.1
 Pillow==7.2.0
-protobuf==3.13.0
+protobuf==3.18.3
 psycopg2==2.8.5
 pyasn1==0.4.8
 pyasn1-modules==0.2.8