diff --git a/Gemfile.lock b/Gemfile.lock
index 9083391..efc4bd6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -44,7 +44,8 @@ GEM
       minitest (~> 5.1)
       thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
-    addressable (2.3.8)
+    addressable (2.8.0)
+      public_suffix (>= 2.0.2, < 5.0)
     airbrake (3.1.15)
       builder
       multi_json
@@ -111,6 +112,7 @@ GEM
     nokogiri (1.10.9)
       mini_portile2 (~> 2.4.0)
     pg (0.17.1)
+    public_suffix (4.0.6)
     quiet_assets (1.0.2)
       railties (>= 3.1, < 5.0)
     rack (1.6.13)