diff --git a/Gemfile.lock b/Gemfile.lock
index 4025316..d72ec00 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -50,6 +50,7 @@ GEM
     case_transform (0.2)
       activesupport
     concurrent-ruby (1.0.5)
+    crass (1.0.5)
     database_cleaner (1.5.3)
     diff-lcs (1.3)
     erubis (2.7.0)
@@ -68,7 +69,8 @@ GEM
     listen (3.0.8)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
-    loofah (2.0.3)
+    loofah (2.3.1)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.6.4)
       mime-types (>= 1.16, < 4)
@@ -76,11 +78,11 @@ GEM
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
-    mini_portile2 (2.1.0)
+    mini_portile2 (2.4.0)
     minitest (5.10.1)
     nio4r (2.0.0)
-    nokogiri (1.7.1)
-      mini_portile2 (~> 2.1.0)
+    nokogiri (1.10.5)
+      mini_portile2 (~> 2.4.0)
     parser (2.4.0.0)
       ast (~> 2.2)
     pg (0.20.0)