diff --git a/Gemfile.lock b/Gemfile.lock
index 3cd603ed3..aa69a343f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -123,6 +123,7 @@ GEM
       sprockets (< 4.0)
     concurrent-ruby (1.0.5)
     contracts (0.15.0)
+    crass (1.0.5)
     cucumber (2.4.0)
       builder (>= 2.1.2)
       cucumber-core (~> 1.5.0)
@@ -171,7 +172,8 @@ GEM
       railties (>= 3.2.16)
     launchy (2.4.3)
       addressable (~> 2.3)
-    loofah (2.0.3)
+    loofah (2.3.1)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     m (1.5.0)
       method_source (>= 0.6.7)
@@ -199,7 +201,7 @@ GEM
     multi_test (0.1.2)
     mysql2 (0.4.5)
     nio4r (2.0.0)
-    nokogiri (1.7.1)
+    nokogiri (1.6.8.1)
       mini_portile2 (~> 2.1.0)
     orm_adapter (0.5.0)
     panoramic (0.0.6)