diff --git a/Gemfile.lock b/Gemfile.lock
index 90f9515..051d4e5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -50,6 +50,7 @@ GEM
       execjs
     coffee-script-source (1.12.2)
     concurrent-ruby (1.0.5)
+    crass (1.0.6)
     debug_inspector (0.0.3)
     erubis (2.7.0)
     execjs (2.7.0)
@@ -64,18 +65,19 @@ GEM
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
     json (1.8.6)
-    loofah (2.0.3)
+    loofah (2.4.0)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.6.6)
       mime-types (>= 1.16, < 4)
     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)
-    nokogiri (1.8.0)
-      mini_portile2 (~> 2.2.0)
+    nokogiri (1.10.8)
+      mini_portile2 (~> 2.4.0)
     rack (1.6.8)
     rack-test (0.6.3)
       rack (>= 1.0)
@@ -96,8 +98,8 @@ GEM
       activesupport (>= 4.2.0.beta, < 5.0)
       nokogiri (~> 1.6)
       rails-deprecated_sanitizer (>= 1.0.1)
-    rails-html-sanitizer (1.0.3)
-      loofah (~> 2.0)
+    rails-html-sanitizer (1.3.0)
+      loofah (~> 2.3)
     railties (4.2.5)
       actionpack (= 4.2.5)
       activesupport (= 4.2.5)