diff --git a/Gemfile.lock b/Gemfile.lock
index 63ed70b..d11ffe4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -104,6 +104,7 @@ GEM
     concurrent-ruby (1.0.0)
     coolline (0.5.0)
       unicode_utils (~> 1.4)
+    crass (1.0.5)
     daemons (1.2.3)
     descendants_tracker (0.0.4)
       thread_safe (~> 0.3, >= 0.3.1)
@@ -180,7 +181,8 @@ GEM
     listen (3.0.6)
       rb-fsevent (>= 0.9.3)
       rb-inotify (>= 0.9.7)
-    loofah (2.0.3)
+    loofah (2.3.1)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     lumberjack (1.0.10)
     mail (2.6.3)
@@ -191,7 +193,7 @@ GEM
       railties (>= 3.0.0, < 5.1.0)
     method_source (0.8.2)
     mime-types (2.99.1)
-    mini_portile2 (2.0.0)
+    mini_portile2 (2.1.0)
     minitest (5.8.4)
     minitest-bang (1.0.4)
       minitest (>= 4.7.5)
@@ -218,8 +220,8 @@ GEM
     multi_xml (0.5.5)
     nenv (0.3.0)
     netrc (0.11.0)
-    nokogiri (1.6.7.2)
-      mini_portile2 (~> 2.0.0.rc2)
+    nokogiri (1.6.8.1)
+      mini_portile2 (~> 2.1.0)
     notiffany (0.0.8)
       nenv (~> 0.1)
       shellany (~> 0.0)