diff --git a/config/default.ts b/config/default.ts
index 025f6e3c..2b7dedb5 100644
--- a/config/default.ts
+++ b/config/default.ts
@@ -56,6 +56,7 @@ const config: Partial<SCConfigFile> = {
       SCThingType.Floor,
     ],
     maxMultiSearchRouteQueries: 5,
+    maxRequestBodySize: 512 * 1024,
     name: 'Technische Universität Berlin',
     namespace: '909a8cbc-8520-456c-b474-ef1525f14209',
     sortableFields: [
diff --git a/config/elasticsearch.ts b/config/elasticsearch.ts
index 8d6ff1c2..e91c5cb9 100644
--- a/config/elasticsearch.ts
+++ b/config/elasticsearch.ts
@@ -17,7 +17,7 @@ const config: ElasticsearchConfigFile = {
   internal: {
     database: {
       name: 'elasticsearch',
-      version: '5.5',
+      version: '5.6',
     },
   },
 };
diff --git a/package-lock.json b/package-lock.json
index 106b08e3..a8669c7a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1257,7 +1257,7 @@
       "dependencies": {
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "requires": {
             "ansi-styles": "^2.2.1",