diff --git a/Gemfile.lock b/Gemfile.lock
index ea141c4..2694032 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -88,6 +88,7 @@ GEM
       execjs
     coffee-script-source (1.12.2)
     concurrent-ruby (1.0.5)
+    crass (1.0.5)
     devise (4.3.0)
       bcrypt (~> 3.0)
       orm_adapter (~> 0.1)
@@ -113,7 +114,8 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.0.3)
+    loofah (2.3.1)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.6.6)
       mime-types (>= 1.16, < 4)
@@ -122,15 +124,15 @@ GEM
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
     mini_mime (0.1.4)
-    mini_portile2 (2.2.0)
+    mini_portile2 (2.4.0)
     minitest (5.10.3)
     multi_json (1.12.1)
     net-scp (1.2.1)
       net-ssh (>= 2.6.5)
     net-ssh (4.1.0)
     nio4r (2.1.0)
-    nokogiri (1.8.0)
-      mini_portile2 (~> 2.2.0)
+    nokogiri (1.10.5)
+      mini_portile2 (~> 2.4.0)
     orm_adapter (0.5.0)
     pg (0.21.0)
     popper_js (1.11.1)