diff --git a/requirements.txt b/requirements.txt
index 2a2c7d0..1a51485 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -34,7 +34,7 @@ multiaddr==0.0.9
 netaddr==0.7.19
 oauthlib==3.1.0
 parsimonious==0.8.1
-protobuf==3.11.3
+protobuf==3.18.3
 pycparser==2.20
 pycryptodome==3.9.7
 PyJWT==1.7.1