diff --git a/keyserver/docker-compose.yml b/keyserver/docker-compose.yml
--- a/keyserver/docker-compose.yml
+++ b/keyserver/docker-compose.yml
@@ -30,7 +30,7 @@
     expose:
       - "3306"
     command: >
-      --max-allowed-packet=64M
+      --max-allowed-packet=256M
       --local-infile=0
       --sql-mode=STRICT_ALL_TABLES
       --innodb-buffer-pool-size=1600M
diff --git a/keyserver/src/keyserver.js b/keyserver/src/keyserver.js
--- a/keyserver/src/keyserver.js
+++ b/keyserver/src/keyserver.js
@@ -65,7 +65,7 @@
   } else {
     const server = express();
     expressWs(server);
-    server.use(express.json({ limit: '50mb' }));
+    server.use(express.json({ limit: '250mb' }));
     server.use(cookieParser());
 
     const setupAppRouter = router => {