diff --git a/README.md b/README.md
index 0f65d98..6afb824 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ An open source, modern and powerful wiki app built on Node.js, Git and Markdown
 
 **Wiki.js is still under development, all features not already implemented.**
 
-**Shipped version:** 2.0.0-beta.15
+**Shipped version:** 2.0.0-beta.11
 
 ## Licence
 
diff --git a/manifest.json b/manifest.json
index efac860..1aa8d07 100644
--- a/manifest.json
+++ b/manifest.json
@@ -6,7 +6,7 @@
         "en": "An open source, modern and powerful wiki app built on Node.js, Git and Markdown for YunoHost.",
         "fr": "Un wiki moderne et open source propulsé Node.js, Git et Markdown pour YunoHost."
     },
-    "version": "2.0.0-beta.15~ynh1",
+    "version": "2.0.0-beta.11~ynh1",
     "url": "https://wiki.js.org/",
     "license": "AGPL-3.0-or-later",
     "maintainer": {
diff --git a/scripts/install b/scripts/install
index ee20d52..e61e262 100644
--- a/scripts/install
+++ b/scripts/install
@@ -136,7 +136,7 @@ ynh_app_setting_set $app final_path $final_path
 git clone https://github.com/Requarks/wiki "$final_path"
 
 pushd $final_path
-	git checkout tags/2.0.0-beta.15
+	git checkout tags/2.0.0-beta.11
 popd
 
 #=================================================
@@ -190,7 +190,11 @@ chown -R "$app":"$app" "$final_path"
 
 pushd $final_path
     ynh_use_nodejs
+	sudo -u $app env PATH=$PATH:$nodejs_path npm install "acorn@^6.0.0" --save
+	sudo -u $app env PATH=$PATH:$nodejs_path npm install "babel-core@>=6.0.20" --save
+	sudo -u $app env PATH=$PATH:$nodejs_path npm install "graphql@^0.13.0" --save
     sudo -u $app env PATH=$PATH:$nodejs_path npm install
+	sudo -u $app env PATH=$PATH:$nodejs_path npm audit fix
     sudo -u $app env PATH=$PATH:$nodejs_path npm run build
 popd
 
diff --git a/scripts/upgrade b/scripts/upgrade
index 42da3b5..d5aa727 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -88,7 +88,7 @@ path_url=$(ynh_normalize_url_path $path_url)
 
 pushd $final_path
 	git pull
-	git checkout tags/2.0.0-beta.15
+	git checkout tags/2.0.0-beta.11
 popd
 
 #=================================================