diff --git a/Gemfile.lock b/Gemfile.lock
index b02a0be4..03f793e5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -69,7 +69,8 @@ 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)
     arbre (1.1.1)
       activesupport (>= 3.0.0)
     arel (6.0.3)
@@ -78,7 +79,7 @@ GEM
     bourbon (4.2.7)
       sass (~> 3.4)
       thor (~> 0.19)
-    brakeman (3.4.0)
+    brakeman (3.4.1)
     buftok (0.2.0)
     builder (3.2.2)
     bundler-audit (0.5.0)
@@ -265,6 +266,7 @@ GEM
       coderay (~> 1.1.0)
       method_source (~> 0.8.1)
       slop (~> 3.4)
+    public_suffix (2.0.4)
     quiet_assets (1.1.0)
       railties (>= 3.1, < 5.0)
     rack (1.6.4)
@@ -310,8 +312,7 @@ GEM
     rb-fsevent (0.9.8)
     rb-inotify (0.9.7)
       ffi (>= 0.5.0)
-    rdoc (4.2.2)
-      json (~> 1.4)
+    rdoc (4.3.0)
     redcarpet (3.3.4)
     ref (2.0.0)
     request_store (1.3.1)