diff --git a/Gemfile.lock b/Gemfile.lock
index 155348e..56fcc54 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -4,25 +4,25 @@ GEM
     activesupport (3.2.22.5)
       i18n (~> 0.6, >= 0.6.4)
       multi_json (~> 1.0)
-    addressable (2.8.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     colorator (1.1.0)
-    concurrent-ruby (1.1.8)
-    em-websocket (0.5.2)
+    concurrent-ruby (1.1.10)
+    em-websocket (0.5.3)
       eventmachine (>= 0.12.9)
-      http_parser.rb (~> 0.6.0)
+      http_parser.rb (~> 0)
     eventmachine (1.2.7)
     eventmachine (1.2.7-x64-mingw32)
     eventmachine (1.2.7-x86-mingw32)
-    ffi (1.15.0)
-    ffi (1.15.0-x64-mingw32)
-    ffi (1.15.0-x86-mingw32)
+    ffi (1.15.5)
+    ffi (1.15.5-x64-mingw32)
+    ffi (1.15.5-x86-mingw32)
     forwardable-extended (2.6.0)
-    gemoji (3.0.1)
-    html-pipeline (2.14.0)
+    gemoji (4.0.1)
+    html-pipeline (2.14.3)
       activesupport (>= 2)
       nokogiri (>= 1.4)
-    http_parser.rb (0.6.0)
+    http_parser.rb (0.8.0)
     i18n (0.9.5)
       concurrent-ruby (~> 1.0)
     jekyll (3.8.6)
@@ -47,37 +47,35 @@ GEM
       jekyll (>= 3.8, < 5.0)
     jekyll-watch (2.2.1)
       listen (~> 3.0)
-    jemoji (0.12.0)
-      gemoji (~> 3.0)
+    jemoji (0.13.0)
+      gemoji (>= 3, < 5)
       html-pipeline (~> 2.2)
       jekyll (>= 3.0, < 5.0)
     kramdown (1.17.0)
     liquid (4.0.3)
-    listen (3.5.1)
+    listen (3.7.1)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     mercenary (0.3.6)
-    mini_portile2 (2.5.1)
+    mini_portile (0.6.2)
     minima (2.5.1)
       jekyll (>= 3.5, < 5.0)
       jekyll-feed (~> 0.9)
       jekyll-seo-tag (~> 2.1)
     multi_json (1.15.0)
-    nokogiri (1.11.4)
-      mini_portile2 (~> 2.5.0)
-      racc (~> 1.4)
-    nokogiri (1.11.4-x64-mingw32)
-      racc (~> 1.4)
-    nokogiri (1.11.4-x86-mingw32)
-      racc (~> 1.4)
+    nokogiri (1.6.6.4)
+      mini_portile (~> 0.6.0)
+    nokogiri (1.6.6.4-x64-mingw32)
+      mini_portile (~> 0.6.0)
+    nokogiri (1.6.6.4-x86-mingw32)
+      mini_portile (~> 0.6.0)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
-    public_suffix (4.0.6)
-    racc (1.5.2)
-    rb-fsevent (0.11.0)
+    public_suffix (5.0.0)
+    rb-fsevent (0.11.2)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rouge (3.26.0)
+    rouge (3.30.0)
     safe_yaml (1.0.5)
     sass (3.7.4)
       sass-listen (~> 4.0.0)