diff --git a/Gemfile.lock b/Gemfile.lock
index 118fc14..4406f39 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -6,7 +6,7 @@ GEM
       minitest (~> 5.1)
       thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
-    addressable (2.7.0)
+    addressable (2.8.0)
       public_suffix (>= 2.0.2, < 5.0)
     autoparse (0.3.3)
       addressable (>= 2.3.1)
@@ -47,7 +47,7 @@ GEM
     mustermann (1.1.1)
       ruby2_keywords (~> 0.0.1)
     os (1.1.0)
-    public_suffix (4.0.5)
+    public_suffix (4.0.6)
     rack (2.2.3)
     rack-protection (2.0.8.1)
       rack