diff --git a/Gemfile b/Gemfile
index bb7aec0..8fd777b 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,5 +1,5 @@
 source "https://rubygems.org"
-gem "jumbo-jekyll-theme", "5.6.5"
+gem "jumbo-jekyll-theme", "5.6.9.2"
 group :jekyll_plugins do
   gem "jekyll-data"
 end
diff --git a/robots.txt b/robots.txt
index a3f4066..a95b102 100644
--- a/robots.txt
+++ b/robots.txt
@@ -1,10 +1,9 @@
 ---
-{% if site.production == true %}
+---
 User-agent: *
-Disallow:
+{% if site.production %}
+Allow: /
 Sitemap: {{site.url}}/sitemap.xml
 {% else %}
-User-agent: *
 Disallow: /
-Sitemap: {{site.url}}/sitemap.xml
 {% endif %}