[RELEASE] create version 0.91.0 in documentation
diff --git a/documentation/website/i18n/en.json b/documentation/website/i18n/en.json
index 86cfa31..520cf9c 100644
--- a/documentation/website/i18n/en.json
+++ b/documentation/website/i18n/en.json
@@ -2608,6 +2608,14 @@
       "version-0.90.0/version-0.90.0-user-guide-installation": {
         "title": "Installation",
         "sidebar_label": "Installation"
+      },
+      "version-0.91.0/version-0.91.0-try-installation": {
+        "title": "Installation",
+        "sidebar_label": "Installation"
+      },
+      "version-0.91.0/version-0.91.0-user-guide-introduction": {
+        "title": "Apache StreamPipes Documentation",
+        "sidebar_label": "Overview"
       }
     },
     "links": {
diff --git a/documentation/website/versions.json b/documentation/website/versions.json
index d9aa237..2abba58 100644
--- a/documentation/website/versions.json
+++ b/documentation/website/versions.json
@@ -1,4 +1,5 @@
 [
+  "0.91.0",
   "0.90.0",
   "0.70.0",
   "0.69.0",