diff --git a/Gemfile.lock b/Gemfile.lock
index 9049590..945ffe2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -40,7 +40,7 @@ GEM
       domain_name (~> 0.5)
     i18n (0.6.9)
     innertube (1.0.2)
-    kgio (2.9.2)
+    kgio (2.9.3)
     m (1.2.1)
       method_source (>= 0.6.7)
       rake (>= 0.9.2.2, < 1.0.0)
@@ -56,12 +56,12 @@ GEM
     nokogiri (1.5.11)
     purdytest (1.0.0)
       minitest (~> 2.2)
-    rack (1.5.2)
+    rack (1.6.1)
     rack-protection (1.5.3)
       rack
     rack-test (0.6.2)
       rack (>= 1.0)
-    rainbows (4.6.1)
+    rainbows (4.6.2)
       kgio (~> 2.5)
       rack (~> 1.1)
       unicorn (~> 4.8)
@@ -90,7 +90,7 @@ GEM
     unf (0.1.4)
       unf_ext
     unf_ext (0.0.7.1)
-    unicorn (4.8.2)
+    unicorn (4.9.0)
       kgio (~> 2.6)
       rack
       raindrops (~> 0.7)