diff --git a/Gemfile.lock b/Gemfile.lock
index 1835fd3..8e68282 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -77,6 +77,7 @@ GEM
     concurrent-ruby (1.0.5)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
+    crass (1.0.6)
     cucumber (2.4.0)
       builder (>= 2.1.2)
       cucumber-core (~> 1.5.0)
@@ -127,7 +128,8 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.0.3)
+    loofah (2.19.1)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.6.5)
       mime-types (>= 1.16, < 4)
@@ -135,15 +137,15 @@ GEM
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
-    mini_portile2 (2.2.0)
+    mini_portile2 (2.4.0)
     minitest (5.10.2)
     multi_json (1.12.1)
     multi_test (0.1.2)
     multi_xml (0.6.0)
     multipart-post (2.0.0)
     nio4r (2.1.0)
-    nokogiri (1.8.0)
-      mini_portile2 (~> 2.2.0)
+    nokogiri (1.10.10)
+      mini_portile2 (~> 2.4.0)
     oauth2 (1.3.1)
       faraday (>= 0.8, < 0.12)
       jwt (~> 1.0)
@@ -198,8 +200,8 @@ GEM
       nokogiri (>= 1.6)
     rails-footnotes (4.1.8)
       rails (>= 3.2)
-    rails-html-sanitizer (1.0.3)
-      loofah (~> 2.0)
+    rails-html-sanitizer (1.4.4)
+      loofah (~> 2.19, >= 2.19.1)
     railties (5.1.1)
       actionpack (= 5.1.1)
       activesupport (= 5.1.1)