diff --git a/Gemfile.lock b/Gemfile.lock
index ea49e3c..ca0b0be 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -42,8 +42,8 @@ GEM
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    addressable (2.7.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     arel (9.0.0)
     builder (3.2.4)
     concurrent-ruby (1.1.6)
@@ -73,7 +73,7 @@ GEM
       mini_portile2 (~> 2.4.0)
     pg (1.2.3)
     proxies (0.2.3)
-    public_suffix (4.0.5)
+    public_suffix (4.0.7)
     rack (2.2.3)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)