diff --git a/requirements.txt b/requirements.txt
index 1f8b98a..3d7687d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -34,7 +34,7 @@ mbdata==25.0.4
 numpy==1.19.5
 oauthlib==3.1.0
 opt-einsum==3.3.0
-protobuf==3.12.4
+protobuf==3.18.3
 pyasn1==0.4.8
 pyasn1-modules==0.2.8
 pytz==2020.1
diff --git a/spambrainz/requirements_docker.txt b/spambrainz/requirements_docker.txt
index f99a207..ddcb3e7 100644
--- a/spambrainz/requirements_docker.txt
+++ b/spambrainz/requirements_docker.txt
@@ -32,7 +32,7 @@ mbdata==25.0.4
 numpy==1.18.5
 oauthlib==3.1.0
 opt-einsum==3.3.0
-protobuf==3.12.4
+protobuf==3.18.3
 pyasn1==0.4.8
 pyasn1-modules==0.2.8
 pytz==2020.1