diff --git a/Gemfile.lock b/Gemfile.lock
index 29a3652b..a8742ad6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -74,7 +74,7 @@ GEM
       term-ansicolor (~> 1.3)
       thor (~> 0.19.4)
       tins (~> 1.6)
-    crass (1.0.3)
+    crass (1.0.6)
     dalli (2.7.6)
     debug_inspector (0.0.3)
     docile (1.1.5)
@@ -145,7 +145,7 @@ GEM
       kaminari-core (~> 1.0)
       mongoid
     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)
@@ -159,7 +159,7 @@ GEM
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
     mini_mime (1.0.0)
-    mini_portile2 (2.3.0)
+    mini_portile2 (2.4.0)
     minitest (5.10.3)
     minitest-reporters (1.1.19)
       ansi
@@ -179,8 +179,8 @@ GEM
     naught (1.1.0)
     newrelic_rpm (4.6.0.338)
     nio4r (2.1.0)
-    nokogiri (1.8.1)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.10.10)
+      mini_portile2 (~> 2.4.0)
     oauth (0.5.3)
     oauth2 (1.4.4)
       faraday (>= 0.8, < 2.0)
@@ -233,8 +233,8 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.0.3)
-      loofah (~> 2.0)
+    rails-html-sanitizer (1.4.3)
+      loofah (~> 2.3)
     rails_12factor (0.0.3)
       rails_serve_static_assets
       rails_stdout_logging