diff --git a/Gemfile.lock b/Gemfile.lock
index b164534..ffbfd45 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -55,6 +55,7 @@ GEM
     byebug (9.0.6)
     commonjs (0.2.7)
     concurrent-ruby (1.0.5)
+    crass (1.0.6)
     devise (4.2.1)
       bcrypt (~> 3.0)
       orm_adapter (~> 0.1)
@@ -96,7 +97,8 @@ GEM
     less-rails-semantic_ui (2.2.10.0)
       less-rails (>= 2.6.0, < 2.8.0)
     libv8 (3.16.14.19)
-    loofah (2.0.3)
+    loofah (2.19.1)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.6.5)
       mime-types (>= 1.16, < 4)
@@ -104,7 +106,7 @@ GEM
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
-    mini_portile2 (2.1.0)
+    mini_portile2 (2.4.0)
     minitest (5.10.2)
     multi_json (1.12.1)
     multi_xml (0.6.0)
@@ -112,8 +114,8 @@ GEM
     mysql2 (0.4.6)
     netrc (0.11.0)
     nio4r (2.0.0)
-    nokogiri (1.7.2)
-      mini_portile2 (~> 2.1.0)
+    nokogiri (1.10.10)
+      mini_portile2 (~> 2.4.0)
     oauth (0.5.1)
     oauth2 (1.3.1)
       faraday (>= 0.8, < 0.12)