diff --git a/Gemfile.lock b/Gemfile.lock
index b4e00406..2e285028 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (4.2.11)
+    activesupport (4.2.11.3)
       i18n (~> 0.7)
       minitest (~> 5.1)
       thread_safe (~> 0.3, >= 0.3.4)
@@ -41,7 +41,7 @@ GEM
     docile (1.3.1)
     domain_name (0.5.20190701)
       unf (>= 0.0.5, < 1.0.0)
-    em-websocket (0.5.1)
+    em-websocket (0.5.2)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0.6.0)
     erubis (2.7.0)
@@ -110,7 +110,7 @@ GEM
     middleman-favicon-maker (3.7)
       favicon_maker (~> 1.3)
       middleman-core (>= 3.0.0)
-    middleman-livereload (3.4.6)
+    middleman-livereload (3.4.7)
       em-websocket (~> 0.5.1)
       middleman-core (>= 3.3)
       rack-livereload (~> 0.3.15)
@@ -128,9 +128,9 @@ GEM
       sprockets-sass (~> 1.3.0)
     mime-types (3.3.1)
       mime-types-data (~> 3.2015)
-    mime-types-data (3.2019.1009)
+    mime-types-data (3.2021.0225)
     mini_portile2 (2.4.0)
-    minitest (5.11.3)
+    minitest (5.14.4)
     multi_json (1.13.1)
     netrc (0.11.0)
     nokogiri (1.10.10)
@@ -141,14 +141,14 @@ GEM
       tilt (>= 1.4.1, < 3)
     padrino-support (0.12.9)
       activesupport (>= 3.1)
-    rack (1.6.12)
+    rack (1.6.13)
     rack-livereload (0.3.17)
       rack
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rake (13.0.1)
-    rb-fsevent (0.10.3)
-    rb-inotify (0.10.0)
+    rb-fsevent (0.10.4)
+    rb-inotify (0.10.1)
       ffi (~> 1.0)
     redcarpet (3.5.0)
     rest-client (2.1.0)
@@ -175,7 +175,7 @@ GEM
     thor (0.20.3)
     thread_safe (0.3.6)
     tilt (1.4.1)
-    tzinfo (1.2.5)
+    tzinfo (1.2.9)
       thread_safe (~> 0.1)
     uber (0.0.15)
     uglifier (2.7.2)