diff --git a/Gemfile.lock b/Gemfile.lock
index 68bf561..66fe277 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -7,8 +7,8 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.6.0)
-      public_suffix (>= 2.0.2, < 4.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     ast (2.4.0)
     claide (1.0.2)
     claide-plugins (0.9.2)
@@ -82,7 +82,7 @@ GEM
     pry (0.12.2)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
-    public_suffix (3.1.1)
+    public_suffix (5.0.0)
     rainbow (3.0.0)
     rake (10.5.0)
     rb-fsevent (0.10.3)