diff --git a/Gemfile.lock b/Gemfile.lock
index b7ad587144e..c1bcee910d9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -214,7 +214,7 @@ GEM
     omniauth-twitter (1.3.0)
       omniauth-oauth (~> 1.1)
       rack
-    onebox (1.8.6)
+    onebox (1.8.8)
       fast_blank (>= 1.0.0)
       htmlentities (~> 4.3)
       moneta (~> 1.0)
diff --git a/config/initializers/100-onebox_options.rb b/config/initializers/100-onebox_options.rb
index 9726a5aadcf..140929627aa 100644
--- a/config/initializers/100-onebox_options.rb
+++ b/config/initializers/100-onebox_options.rb
@@ -2,5 +2,6 @@ require_dependency 'twitter_api'
 
 Onebox.options = {
   twitter_client: TwitterApi,
-  redirect_limit: 1
+  redirect_limit: 1,
+  user_agent: "Discouse Forum Onebox v#{Discourse::VERSION::STRING}"
 }