diff --git a/Gemfile.lock b/Gemfile.lock
index b14de50..76d03cf 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -30,7 +30,7 @@ GEM
       tzinfo (~> 1.1)
     builder (3.2.3)
     concurrent-ruby (1.1.3)
-    crass (1.0.5)
+    crass (1.0.6)
     erubi (1.7.1)
     globalid (0.4.1)
       activesupport (>= 4.2.0)
@@ -42,7 +42,7 @@ GEM
       httparty (>= 0.10.0)
     i18n (1.1.1)
       concurrent-ruby (~> 1.0)
-    loofah (2.4.0)
+    loofah (2.18.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -51,21 +51,21 @@ GEM
       mime-types-data (~> 3.2015)
     mime-types-data (3.2018.0812)
     mini_mime (1.0.1)
-    mini_portile2 (2.5.0)
+    mini_portile2 (2.8.0)
     minitest (5.11.3)
     multi_xml (0.6.0)
-    nokogiri (1.11.1)
-      mini_portile2 (~> 2.5.0)
+    nokogiri (1.13.6)
+      mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
-    racc (1.5.2)
+    racc (1.6.0)
     rack (2.2.3)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.0.4)
-      loofah (~> 2.2, >= 2.2.2)
+    rails-html-sanitizer (1.4.3)
+      loofah (~> 2.3)
     thread_safe (0.3.6)
     tzinfo (1.2.5)
       thread_safe (~> 0.1)