diff --git a/Gemfile.lock b/Gemfile.lock
index 716464f..d5851d8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -40,7 +40,8 @@ GEM
       minitest (~> 5.1)
       thread_safe (~> 0.1)
       tzinfo (~> 1.1)
-    addressable (2.3.6)
+    addressable (2.8.0)
+      public_suffix (>= 2.0.2, < 5.0)
     arel (5.0.1.20140414130214)
     awesome_print (1.2.0)
     bigbluebutton-api-ruby (1.7.0)
@@ -145,6 +146,7 @@ GEM
     nokogiri (1.6.2.1-java)
     ntlm-http (0.1.1)
     polyglot (0.3.5)
+    public_suffix (4.0.6)
     rabl (0.10.1)
       activesupport (>= 2.3.14)
     rack (1.5.2)