diff --git a/Gemfile.lock b/Gemfile.lock
index 78e3ba4..39de14c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -81,7 +81,7 @@ GEM
       execjs
     coffee-script-source (1.12.2)
     concurrent-ruby (1.1.5)
-    crass (1.0.4)
+    crass (1.0.6)
     erubi (1.8.0)
     execjs (2.7.0)
     ffi (1.11.1)
@@ -100,7 +100,7 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.2.3)
+    loofah (2.18.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -108,18 +108,19 @@ GEM
     marcel (0.3.3)
       mimemagic (~> 0.3.2)
     method_source (0.9.2)
-    mime-types (1.25.1)
     mimemagic (0.3.3)
     mini_mime (1.0.2)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.8.0)
     minitest (5.11.3)
     msgpack (1.3.0)
     nio4r (2.4.0)
-    nokogiri (1.10.3)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.13.6)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     pg (1.1.4)
     public_suffix (3.1.1)
     puma (3.12.1)
+    racc (1.6.0)
     rack (2.0.7)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
@@ -143,8 +144,8 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.0.4)
-      loofah (~> 2.2, >= 2.2.2)
+    rails-html-sanitizer (1.4.3)
+      loofah (~> 2.3)
     railties (5.2.3)
       actionpack (= 5.2.3)
       activesupport (= 5.2.3)
@@ -156,8 +157,6 @@ GEM
     rb-inotify (0.10.0)
       ffi (~> 1.0)
     regexp_parser (1.5.1)
-    rest-client (1.6.9)
-      mime-types (~> 1.16)
     ruby_dep (1.5.0)
     rubyzip (1.2.3)
     sass (3.7.4)
@@ -177,9 +176,6 @@ GEM
     selenium-webdriver (3.142.3)
       childprocess (>= 0.5, < 2.0)
       rubyzip (~> 1.2, >= 1.2.2)
-    sequel (3.20.0)
-    sinatra (1.0)
-      rack (>= 1.0)
     spring (2.1.0)
     spring-watcher-listen (2.0.1)
       listen (>= 2.7, < 4.0)
@@ -192,11 +188,6 @@ GEM
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
     sqlite3 (1.4.1)
-    taps (0.3.24)
-      rack (>= 1.0.1)
-      rest-client (>= 1.4.0, < 1.7.0)
-      sequel (~> 3.20.0)
-      sinatra (~> 1.0.0)
     thor (0.20.3)
     thread_safe (0.3.6)
     tilt (2.0.9)
@@ -243,7 +234,6 @@ DEPENDENCIES
   spring
   spring-watcher-listen (~> 2.0.0)
   sqlite3
-  taps (~> 0.3.24)
   turbolinks (~> 5)
   tzinfo-data
   uglifier (>= 1.3.0)