diff --git a/Gemfile.lock b/Gemfile.lock
index 5299b6f..a01d730 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -42,8 +42,8 @@ GEM
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    addressable (2.6.0)
-      public_suffix (>= 2.0.2, < 4.0)
+    addressable (2.8.0)
+      public_suffix (>= 2.0.2, < 5.0)
     algoliasearch (1.26.0)
       httpclient (~> 2.8, >= 2.8.3)
       json (>= 1.5.1)
@@ -132,7 +132,7 @@ GEM
       pry (~> 0.10)
     pry-rails (0.3.9)
       pry (>= 0.10.4)
-    public_suffix (3.1.0)
+    public_suffix (4.0.6)
     puma (3.12.1)
     pundit (2.0.1)
       activesupport (>= 3.0.0)