diff --git a/Gemfile.lock b/Gemfile.lock
index 0cbcf1a..88abaea 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -58,7 +58,7 @@ GEM
     codeclimate-test-reporter (1.0.8)
       simplecov (<= 0.13)
     concurrent-ruby (1.0.5)
-    crass (1.0.4)
+    crass (1.0.6)
     devise (4.4.3)
       bcrypt (~> 3.0)
       orm_adapter (~> 0.1)
@@ -98,7 +98,7 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.2.2)
+    loofah (2.18.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.0)
@@ -108,7 +108,7 @@ 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 (5.11.3)
     minitest-reporters (1.2.0)
       ansi
@@ -121,8 +121,8 @@ GEM
     net-http-pipeline (1.0.1)
     netrc (0.11.0)
     nio4r (2.3.1)
-    nokogiri (1.8.2)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.10.10)
+      mini_portile2 (~> 2.4.0)
     octokit (4.8.0)
       sawyer (~> 0.8.0, >= 0.5.3)
     orm_adapter (0.5.0)
@@ -154,8 +154,8 @@ GEM
     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)
     rails_12factor (0.0.3)
       rails_serve_static_assets
       rails_stdout_logging