diff --git a/Gemfile.lock b/Gemfile.lock
index ea009c5..d4f79ce 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -13,6 +13,7 @@ GEM
     bson (2.3.0)
     builder (3.2.2)
     coderay (1.1.0)
+    concurrent-ruby (1.1.10)
     connection_pool (2.0.0)
     dotenv (0.11.1)
       dotenv-deployment (~> 0.0.2)
@@ -21,7 +22,8 @@ GEM
       i18n (~> 0.5)
     geocoder (1.2.2)
     hashie (3.1.0)
-    i18n (0.6.11)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     json (1.8.1)
     method_source (0.8.2)
     minitest (5.4.0)