diff --git a/requirements.txt b/requirements.txt
index f14dffce..4e532058 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ Flask-WTF==0.15.1
 googleapis-common-protos==1.53.0
 importlib_resources==1.4.0
 mypy-protobuf==2.9
-protobuf==3.17.3
+protobuf==3.18.3
 pyln-client==0.10.1
 PySocks==1.7.1
 python-bitcoinlib==0.11.0