diff --git a/Gemfile b/Gemfile
index 1be051d..2da714a 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,7 +1,7 @@
 source "https://rubygems.org"
 
 gem "addressable"
-gem "middleman", "~> 4.3.6"
+gem "middleman", "~> 4.3.11"
 gem "middleman-autoprefixer"
 gem "middleman-blog"
 gem "middleman-livereload"
diff --git a/Gemfile.lock b/Gemfile.lock
index 2a4e7ac..49a17f8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (5.0.7.2)
+    activesupport (5.2.4.4)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
@@ -10,15 +10,15 @@ GEM
       public_suffix (>= 2.0.2, < 5.0)
     autoprefixer-rails (9.4.10.2)
       execjs
-    backports (3.16.1)
+    backports (3.20.2)
     coderay (1.1.2)
     coffee-script (2.4.1)
       coffee-script-source
       execjs
     coffee-script-source (1.12.2)
-    concurrent-ruby (1.1.6)
+    concurrent-ruby (1.1.8)
     contracts (0.13.0)
-    dotenv (2.7.5)
+    dotenv (2.7.6)
     em-websocket (0.5.1)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0.6.0)
@@ -26,9 +26,9 @@ GEM
     eventmachine (1.2.0.1)
     execjs (2.7.0)
     fast_blank (1.0.0)
-    fastimage (2.1.7)
-    ffi (1.12.2)
-    haml (5.1.2)
+    fastimage (2.2.2)
+    ffi (1.14.2)
+    haml (5.2.1)
       temple (>= 0.8.0)
       tilt
     hamster (3.0.0)
@@ -38,18 +38,19 @@ GEM
     http_parser.rb (0.6.0)
     i18n (0.9.5)
       concurrent-ruby (~> 1.0)
-    kramdown (1.17.0)
+    kramdown (2.3.0)
+      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 (4.3.6)
+    middleman (4.3.11)
       coffee-script (~> 2.2)
       haml (>= 4.0.5)
-      kramdown (~> 1.2)
-      middleman-cli (= 4.3.6)
-      middleman-core (= 4.3.6)
+      kramdown (>= 2.3.0)
+      middleman-cli (= 4.3.11)
+      middleman-core (= 4.3.11)
     middleman-autoprefixer (2.10.1)
       autoprefixer-rails (~> 9.1)
       middleman-core (>= 3.3.3)
@@ -57,10 +58,10 @@ GEM
       addressable (~> 2.3)
       middleman-core (>= 4.0.0)
       tzinfo (>= 0.3.0)
-    middleman-cli (4.3.6)
+    middleman-cli (4.3.11)
       thor (>= 0.17.0, < 2.0)
-    middleman-core (4.3.6)
-      activesupport (>= 4.2, < 5.1)
+    middleman-core (4.3.11)
+      activesupport (>= 4.2, < 6.0)
       addressable (~> 2.3)
       backports (~> 3.6)
       bundler
@@ -94,35 +95,36 @@ GEM
     middleman-syntax (3.2.0)
       middleman-core (>= 3.2)
       rouge (~> 3.2)
-    minitest (5.14.0)
+    minitest (5.14.3)
     padrino-helpers (0.13.3.4)
       i18n (~> 0.6, >= 0.6.7)
       padrino-support (= 0.13.3.4)
       tilt (>= 1.4.1, < 3)
     padrino-support (0.13.3.4)
       activesupport (>= 3.1)
-    parallel (1.19.1)
+    parallel (1.20.1)
     pry (0.13.1)
       coderay (~> 1.1)
       method_source (~> 1.0)
-    public_suffix (4.0.3)
+    public_suffix (4.0.6)
     rack (2.2.3)
     rack-livereload (0.3.16)
       rack
     rake (13.0.1)
-    rb-fsevent (0.10.3)
+    rb-fsevent (0.10.4)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
     redcarpet (3.5.1)
+    rexml (3.2.4)
     rouge (3.7.0)
-    sassc (2.2.1)
+    sassc (2.4.0)
       ffi (~> 1.9)
     servolux (0.13.0)
     temple (0.8.2)
-    thor (1.0.1)
+    thor (1.1.0)
     thread_safe (0.3.6)
     tilt (2.0.10)
-    tzinfo (1.2.6)
+    tzinfo (1.2.9)
       thread_safe (~> 0.1)
     uglifier (3.2.0)
       execjs (>= 0.3.0, < 3)
@@ -132,7 +134,7 @@ PLATFORMS
 
 DEPENDENCIES
   addressable
-  middleman (~> 4.3.6)
+  middleman (~> 4.3.11)
   middleman-autoprefixer
   middleman-blog
   middleman-gh-pages