diff --git a/Gemfile.lock b/Gemfile.lock
index 310c738..c66b54e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -9,12 +9,12 @@ GEM
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0.6.0)
     eventmachine (1.2.7)
-    ffi (1.12.2)
+    ffi (1.13.1)
     forwardable-extended (2.6.0)
     http_parser.rb (0.6.0)
     i18n (0.9.5)
       concurrent-ruby (~> 1.0)
-    jekyll (3.8.6)
+    jekyll (3.8.7)
       addressable (~> 2.4)
       colorator (~> 1.0)
       em-websocket (~> 0.5)
@@ -48,11 +48,11 @@ GEM
     mercenary (0.3.6)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
-    public_suffix (4.0.4)
-    rb-fsevent (0.10.3)
+    public_suffix (4.0.5)
+    rb-fsevent (0.10.4)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rouge (3.17.0)
+    rouge (3.20.0)
     rubyzip (2.3.0)
     safe_yaml (1.0.5)
     sass (3.7.4)