diff --git a/Gemfile.lock b/Gemfile.lock
index af549af..1675c27 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -51,7 +51,7 @@ GEM
     coffee-script-source (1.12.2)
     concurrent-ruby (1.0.5)
     connection_pool (2.2.1)
-    crass (1.0.3)
+    crass (1.0.6)
     daemons (1.2.6)
     debug_inspector (0.0.3)
     erubis (2.7.0)
@@ -78,20 +78,21 @@ GEM
     json (1.8.6)
     jwt (1.5.6)
     libv8 (3.16.14.19)
-    loofah (2.1.1)
+    loofah (2.18.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.0)
       mini_mime (>= 0.1.1)
     method_source (0.9.0)
     mini_mime (1.0.0)
-    mini_portile2 (2.3.0)
+    mini_portile2 (2.8.0)
     minitest (5.11.1)
     multi_json (1.12.2)
     multi_xml (0.6.0)
     multipart-post (2.0.0)
-    nokogiri (1.8.1)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.13.6)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     oauth2 (1.4.0)
       faraday (>= 0.8, < 0.13)
       jwt (~> 1.0)
@@ -118,6 +119,7 @@ GEM
       pry (~> 0.10)
     quiet_assets (1.1.0)
       railties (>= 3.1, < 5.0)
+    racc (1.6.0)
     rack (1.6.12)
     rack-protection (2.0.0)
       rack
@@ -140,8 +142,8 @@ GEM
       activesupport (>= 4.2.0, < 5.0)
       nokogiri (~> 1.6)
       rails-deprecated_sanitizer (>= 1.0.1)
-    rails-html-sanitizer (1.0.3)
-      loofah (~> 2.0)
+    rails-html-sanitizer (1.4.3)
+      loofah (~> 2.3)
     railties (4.2.10)
       actionpack (= 4.2.10)
       activesupport (= 4.2.10)