diff --git a/Gemfile.lock b/Gemfile.lock
index 90319a7..7e30e6d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -36,7 +36,8 @@ GEM
       minitest (~> 5.1)
       thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
-    addressable (2.4.0)
+    addressable (2.5.0)
+      public_suffix (~> 2.0, >= 2.0.2)
     arel (6.0.3)
     aruba (0.14.2)
       childprocess (~> 0.5.6)
@@ -52,7 +53,7 @@ GEM
       rack (>= 0.9.0)
     binding_of_caller (0.7.2)
       debug_inspector (>= 0.0.1)
-    brakeman (3.4.0)
+    brakeman (3.4.1)
     builder (3.2.2)
     bundler-audit (0.5.0)
       bundler (~> 1.2)
@@ -192,6 +193,7 @@ GEM
       slop (~> 3.4)
     pry-rails (0.3.4)
       pry (>= 0.9.10)
+    public_suffix (2.0.3)
     rack (1.6.4)
     rack-livereload (0.3.16)
       rack