diff --git a/Gemfile.lock b/Gemfile.lock
index aed12db..97520ce 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,8 +1,8 @@
 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)
     ansi (1.5.0)
     ast (2.4.0)
     claide (1.0.2)
@@ -53,7 +53,7 @@ GEM
       ruby-ll (~> 2.1)
     open4 (1.3.4)
     ox (2.10.1)
-    public_suffix (3.1.0)
+    public_suffix (5.0.0)
     rexml (3.2.5)
     ruby-ll (2.1.2)
       ansi