diff --git a/Gemfile.lock b/Gemfile.lock
index e047d8d..4c954fb 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -10,7 +10,7 @@ GIT
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (5.2.4.3)
+    activesupport (5.2.6)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
@@ -23,7 +23,7 @@ GEM
     aws-sdk-v1 (1.67.0)
       json (~> 1.4)
       nokogiri (~> 1)
-    backports (3.17.2)
+    backports (3.21.0)
     builder (3.2.4)
     coderay (1.1.3)
     coffee-script (2.4.1)
@@ -31,7 +31,7 @@ GEM
       execjs
     coffee-script-source (1.12.2)
     colored (1.2)
-    concurrent-ruby (1.1.6)
+    concurrent-ruby (1.1.8)
     configure-s3-website (1.5.5)
       deep_merge (= 1.0.0)
     contracts (0.13.0)
@@ -42,14 +42,14 @@ GEM
       http_parser.rb (~> 0.6.0)
     erubis (2.7.0)
     eventmachine (1.2.7)
-    execjs (2.7.0)
+    execjs (2.8.1)
     exifr (1.3.6)
     fast_blank (1.0.0)
-    fastimage (2.1.7)
-    ffi (1.13.1)
+    fastimage (2.2.3)
+    ffi (1.15.0)
     filey-diff (2.0.0)
     fspath (3.1.2)
-    haml (5.1.2)
+    haml (5.2.1)
       temple (>= 0.8.0)
       tilt
     hamster (3.0.0)
@@ -71,25 +71,26 @@ GEM
     image_size (2.0.2)
     in_threads (1.5.4)
     json (1.8.6)
-    kramdown (1.17.0)
+    kramdown (2.3.1)
+      rexml
     listen (3.0.8)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
     memoist (0.16.2)
     method_source (1.0.0)
-    middleman (4.3.7)
+    middleman (4.3.11)
       coffee-script (~> 2.2)
       haml (>= 4.0.5)
-      kramdown (~> 1.2)
-      middleman-cli (= 4.3.7)
-      middleman-core (= 4.3.7)
+      kramdown (>= 2.3.0)
+      middleman-cli (= 4.3.11)
+      middleman-core (= 4.3.11)
     middleman-blog (4.0.3)
       addressable (~> 2.3)
       middleman-core (>= 4.0.0)
       tzinfo (>= 0.3.0)
-    middleman-cli (4.3.7)
+    middleman-cli (4.3.11)
       thor (>= 0.17.0, < 2.0)
-    middleman-core (4.3.7)
+    middleman-core (4.3.11)
       activesupport (>= 4.2, < 6.0)
       addressable (~> 2.3)
       backports (~> 3.6)
@@ -135,7 +136,7 @@ GEM
     mime-types (1.25.1)
     mini_magick (4.10.1)
     mini_portile2 (2.5.0)
-    minitest (5.14.1)
+    minitest (5.14.4)
     nokogiri (1.11.3)
       mini_portile2 (~> 2.5.0)
       racc (~> 1.4)
@@ -145,20 +146,21 @@ GEM
       tilt (>= 1.4.1, < 3)
     padrino-support (0.13.3.4)
       activesupport (>= 3.1)
-    parallel (1.19.2)
+    parallel (1.20.1)
     progress (3.5.2)
     pry (0.13.1)
       coderay (~> 1.1)
       method_source (~> 1.0)
-    public_suffix (4.0.5)
+    public_suffix (4.0.6)
     racc (1.5.2)
     rack (2.2.3)
     rack-livereload (0.3.17)
       rack
-    rb-fsevent (0.10.4)
+    rb-fsevent (0.11.0)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
     redcarpet (3.5.0)
+    rexml (3.2.5)
     rouge (3.20.0)
     s3_website (1.7.6)
       aws-sdk (~> 1)
@@ -178,7 +180,7 @@ GEM
     thor (0.18.1)
     thread_safe (0.3.6)
     tilt (2.0.10)
-    tzinfo (1.2.7)
+    tzinfo (1.2.9)
       thread_safe (~> 0.1)
     uglifier (3.2.0)
       execjs (>= 0.3.0, < 3)