diff --git a/roles/docker/files/configs/matrix/homeserver.yaml.j2 b/roles/docker/files/configs/matrix/homeserver.yaml.j2
index 4b8c3aa..73ba3f3 100644
--- a/roles/docker/files/configs/matrix/homeserver.yaml.j2
+++ b/roles/docker/files/configs/matrix/homeserver.yaml.j2
@@ -416,7 +416,7 @@ uploads_path: "/data/uploads"
 
 # The largest allowed upload size in bytes
 #
-max_upload_size: "50M"
+max_upload_size: "512M"
 
 # Maximum number of pixels that will be thumbnailed
 #
diff --git a/roles/docker/files/configs/matrix/vhost-matrix b/roles/docker/files/configs/matrix/vhost-matrix
index a597770..b65c59c 100644
--- a/roles/docker/files/configs/matrix/vhost-matrix
+++ b/roles/docker/files/configs/matrix/vhost-matrix
@@ -1,2 +1,2 @@
 listen 8008;
-client_max_body_size 50M; # default is 1M
+client_max_body_size 1G; # default is 1M
diff --git a/roles/docker/files/configs/matrix/vhost-riot b/roles/docker/files/configs/matrix/vhost-riot
index 66b77ed..dec55e8 100644
--- a/roles/docker/files/configs/matrix/vhost-riot
+++ b/roles/docker/files/configs/matrix/vhost-riot
@@ -1 +1 @@
-client_max_body_size 50M; # default is 1M
+client_max_body_size 1G; # default is 1M