diff --git a/Gemfile.lock b/Gemfile.lock
index 809da3e..c311f65 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -32,8 +32,8 @@ GEM
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    addressable (2.5.2)
-      public_suffix (>= 2.0.2, < 4.0)
+    addressable (2.8.0)
+      public_suffix (>= 2.0.2, < 5.0)
     anticipate (0.1.1)
     archive-tar-minitar (0.6.1)
       minitar (~> 0.6)
@@ -128,7 +128,7 @@ GEM
     pry-byebug (3.6.0)
       byebug (~> 10.0)
       pry (~> 0.10)
-    public_suffix (3.0.2)
+    public_suffix (3.1.1)
     puma (4.3.1)
       nio4r (~> 2.0)
     rack (2.0.5)