diff --git a/Gemfile.lock b/Gemfile.lock
index 79f5ae1..5441cfd 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -64,6 +64,7 @@ GEM
       execjs
     coffee-script-source (1.12.2)
     concurrent-ruby (1.0.5)
+    crass (1.0.3)
     cucumber (2.4.0)
       builder (>= 2.1.2)
       cucumber-core (~> 1.5.0)
@@ -121,7 +122,8 @@ GEM
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
     json (1.8.6)
-    loofah (2.0.3)
+    loofah (2.2.2)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.6.6)
       mime-types (>= 1.16, < 4)
@@ -129,14 +131,14 @@ GEM
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
     mini_mime (0.1.3)
-    mini_portile2 (2.2.0)
+    mini_portile2 (2.3.0)
     minitest (5.10.3)
     multi_json (1.12.1)
     multi_test (0.1.2)
-    nokogiri (1.8.0)
-      mini_portile2 (~> 2.2.0)
-    nokogiri (1.8.0-x86-mingw32)
-      mini_portile2 (~> 2.2.0)
+    nokogiri (1.8.2)
+      mini_portile2 (~> 2.3.0)
+    nokogiri (1.8.2-x86-mingw32)
+      mini_portile2 (~> 2.3.0)
     orm_adapter (0.5.0)
     pg (0.21.0)
     pg (0.21.0-x86-mingw32)