diff --git a/Gemfile.lock b/Gemfile.lock
index 12f9fb1..c84a422 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -6,8 +6,8 @@ GEM
       minitest (~> 5.1)
       thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
-    addressable (2.6.0)
-      public_suffix (>= 2.0.2, < 4.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     algolia_html_extractor (2.6.1)
       json (~> 2.0)
       nokogiri (~> 1.8.2)
@@ -232,7 +232,7 @@ GEM
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
     progressbar (1.10.0)
-    public_suffix (3.0.3)
+    public_suffix (3.1.1)
     rb-fsevent (0.10.3)
     rb-inotify (0.10.0)
       ffi (~> 1.0)