diff --git a/Gemfile.lock b/Gemfile.lock
index 2bd440b..bed5975 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -49,6 +49,7 @@ GEM
     ast (2.3.0)
     builder (3.2.3)
     concurrent-ruby (1.0.4)
+    crass (1.0.6)
     erubis (2.7.0)
     globalid (0.3.7)
       activesupport (>= 4.1.0)
@@ -65,7 +66,8 @@ GEM
       activerecord
       kaminari-core (= 1.0.1)
     kaminari-core (1.0.1)
-    loofah (2.0.3)
+    loofah (2.19.1)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.6.4)
       mime-types (>= 1.16, < 4)
@@ -73,14 +75,16 @@ GEM
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
-    mini_portile2 (2.1.0)
+    mini_portile2 (2.8.0)
     minitest (5.10.1)
     nio4r (1.2.1)
-    nokogiri (1.7.0.1)
-      mini_portile2 (~> 2.1.0)
+    nokogiri (1.13.10)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     parser (2.4.0.0)
       ast (~> 2.2)
     powerpack (0.1.1)
+    racc (1.6.1)
     rack (2.0.1)
     rack-test (0.6.3)
       rack (>= 1.0)