diff --git a/Gemfile.lock b/Gemfile.lock
index 1f51dad..a8ac7c1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -35,7 +35,7 @@ GEM
     coffee-script-source (1.12.2)
     concurrent-ruby (1.1.5)
     contracts (0.13.0)
-    crass (1.0.4)
+    crass (1.0.6)
     dotenv (2.7.4)
     em-websocket (0.5.1)
       eventmachine (>= 0.12.9)
@@ -59,7 +59,7 @@ GEM
     listen (3.0.8)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
-    loofah (2.2.3)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     material-sass (4.1.1)
@@ -110,10 +110,11 @@ GEM
     middleman-sprockets (4.1.1)
       middleman-core (~> 4.0)
       sprockets (>= 3.0)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.8.0)
     minitest (5.11.3)
-    nokogiri (1.10.3)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.13.10)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     padrino-helpers (0.13.3.4)
       i18n (~> 0.6, >= 0.6.7)
       padrino-support (= 0.13.3.4)
@@ -123,6 +124,7 @@ GEM
     parallel (1.17.0)
     popper_js (1.14.5)
     public_suffix (3.1.1)
+    racc (1.6.1)
     rack (2.0.7)
     rack-livereload (0.3.17)
       rack
@@ -131,8 +133,8 @@ 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 (1.4.4)
+      loofah (~> 2.19, >= 2.19.1)
     railties (5.0.7.2)
       actionpack (= 5.0.7.2)
       activesupport (= 5.0.7.2)