diff --git a/Gemfile.lock b/Gemfile.lock
index a06518d..7c78d06 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -11,6 +11,7 @@ GEM
       rack-test (>= 0.5.4)
       xpath (~> 2.0)
     coderay (1.1.1)
+    concurrent-ruby (1.1.10)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
     diff-lcs (1.2.5)
@@ -26,7 +27,8 @@ GEM
       url_mount (~> 0.2.1)
     httparty (0.14.0)
       multi_xml (>= 0.5.2)
-    i18n (0.7.0)
+    i18n (1.10.0)
+      concurrent-ruby (~> 1.0)
     ice_nine (0.11.2)
     json (2.0.2)
     jwt (1.5.6)