diff --git a/roles/matrix/templates/matrix-synapse/homeserver.yaml.j2 b/roles/matrix/templates/matrix-synapse/homeserver.yaml.j2
index c3966f4..ef4c297 100644
--- a/roles/matrix/templates/matrix-synapse/homeserver.yaml.j2
+++ b/roles/matrix/templates/matrix-synapse/homeserver.yaml.j2
@@ -811,7 +811,7 @@ media_store_path: "/var/lib/matrix-synapse/media"
 
 # The largest allowed upload size in bytes
 #
-max_upload_size: 10M
+max_upload_size: 25M
 
 # Maximum number of pixels that will be thumbnailed
 #
diff --git a/roles/matrix/templates/vhost.j2 b/roles/matrix/templates/vhost.j2
index cc3f3ca..d5c73ef 100644
--- a/roles/matrix/templates/vhost.j2
+++ b/roles/matrix/templates/vhost.j2
@@ -23,7 +23,7 @@ server {
 	ssl_certificate_key /etc/nginx/ssl/{{ matrix_domain }}.key;
 	ssl_certificate /etc/nginx/ssl/{{ matrix_domain }}.crt;
 
-	client_max_body_size 10M;
+	client_max_body_size 25M;
 
 	location / {
 		proxy_pass http://localhost:8008;
@@ -40,7 +40,7 @@ server {
 	ssl_certificate_key /etc/nginx/ssl/{{ matrix_domain }}.key;
 	ssl_certificate /etc/nginx/ssl/{{ matrix_domain }}.crt;
 
-	client_max_body_size 5M;
+	client_max_body_size 25M;
 
 	location / {
 		proxy_pass http://localhost:8008;