diff --git a/Gemfile.lock b/Gemfile.lock
index 019a5332..b7f3a15a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,8 +2,8 @@ GEM
   remote: http://rubygems.org/
   specs:
     RedCloth (4.3.2)
-    addressable (2.5.2)
-      public_suffix (>= 2.0.2, < 4.0)
+    addressable (2.7.0)
+      public_suffix (>= 2.0.2, < 5.0)
     backports (3.11.2)
     chunky_png (1.3.10)
     colorator (1.1.0)
@@ -19,12 +19,12 @@ GEM
       sass (>= 3.3.0, < 3.5)
     compass-import-once (1.0.5)
       sass (>= 3.2, < 3.5)
-    concurrent-ruby (1.0.5)
-    em-websocket (0.5.1)
+    concurrent-ruby (1.1.7)
+    em-websocket (0.5.2)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0.6.0)
-    eventmachine (1.2.5)
-    ffi (1.9.23)
+    eventmachine (1.2.7)
+    ffi (1.13.1)
     forwardable-extended (2.6.0)
     haml (5.0.4)
       temple (>= 0.8.0)
@@ -32,7 +32,7 @@ GEM
     http_parser.rb (0.6.0)
     i18n (0.9.5)
       concurrent-ruby (~> 1.0)
-    jekyll (3.7.3)
+    jekyll (3.7.4)
       addressable (~> 2.4)
       colorator (~> 1.0)
       em-websocket (~> 0.5)
@@ -52,19 +52,18 @@ GEM
       sinatra-contrib (~> 1.4)
     jekyll-sass-converter (1.5.2)
       sass (~> 3.4)
-    jekyll-watch (2.0.0)
+    jekyll-watch (2.2.1)
       listen (~> 3.0)
-    kramdown (1.16.2)
+    kramdown (1.17.0)
     liquid (4.0.0)
-    listen (3.1.5)
-      rb-fsevent (~> 0.9, >= 0.9.4)
-      rb-inotify (~> 0.9, >= 0.9.7)
-      ruby_dep (~> 1.2)
+    listen (3.3.3)
+      rb-fsevent (~> 0.10, >= 0.10.3)
+      rb-inotify (~> 0.9, >= 0.9.10)
     mercenary (0.3.6)
     multi_json (1.13.1)
-    pathutil (0.16.1)
+    pathutil (0.16.2)
       forwardable-extended (~> 2.6)
-    public_suffix (3.0.2)
+    public_suffix (4.0.6)
     pygments.rb (1.2.1)
       multi_json (>= 1.0.0)
     rack (1.6.9)
@@ -74,13 +73,12 @@ GEM
       rack (>= 1.0, < 3)
     rake (12.3.1)
     rb-fsevent (0.10.3)
-    rb-inotify (0.9.10)
-      ffi (>= 0.5.0, < 2)
+    rb-inotify (0.10.1)
+      ffi (~> 1.0)
     rdiscount (2.2.0.1)
-    rouge (3.1.1)
-    ruby_dep (1.5.0)
+    rouge (3.26.0)
     rubypants (0.7.0)
-    safe_yaml (1.0.4)
+    safe_yaml (1.0.5)
     sass (3.4.25)
     sass-globbing (1.1.5)
       sass (>= 3.1)