diff --git a/Gemfile.lock b/Gemfile.lock
index 1f51dad..fbd90a0 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 (1.0.5)
     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 (2.3.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     material-sass (4.1.1)
@@ -112,7 +112,7 @@ GEM
       sprockets (>= 3.0)
     mini_portile2 (2.4.0)
     minitest (5.11.3)
-    nokogiri (1.10.3)
+    nokogiri (1.10.5)
       mini_portile2 (~> 2.4.0)
     padrino-helpers (0.13.3.4)
       i18n (~> 0.6, >= 0.6.7)