diff --git a/Gemfile.lock b/Gemfile.lock
index e042797..0600fc6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.7.0)
+    addressable (2.8.0)
       public_suffix (>= 2.0.2, < 5.0)
     ansi (1.5.0)
     ast (2.4.0)
@@ -85,7 +85,7 @@ GEM
       cliver (~> 0.3.1)
       websocket-driver (>= 0.2.0)
     powerpack (0.1.2)
-    public_suffix (4.0.4)
+    public_suffix (4.0.6)
     rack (2.2.2)
     rack-protection (2.0.8.1)
       rack