diff --git a/Gemfile.lock b/Gemfile.lock
index 30e8668..00adb90 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -3,6 +3,7 @@ GEM
   specs:
     builder (3.2.2)
     clipboard (1.1.1)
+    concurrent-ruby (1.1.10)
     cpf_faker (1.3.0)
       clipboard
     cucumber (2.4.0)
@@ -22,7 +23,8 @@ GEM
     gherkin (4.0.0)
     httparty (0.14.0)
       multi_xml (>= 0.5.2)
-    i18n (0.7.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     multi_json (1.12.1)
     multi_test (0.1.2)
     multi_xml (0.5.5)