diff --git a/Gemfile.lock b/Gemfile.lock
index 55f808e..2130207 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -14,6 +14,7 @@ GEM
       execjs
     coffee-script-source (1.12.2)
     colorator (1.1.0)
+    concurrent-ruby (1.1.10)
     ethon (0.10.1)
       ffi (>= 1.3.0)
     execjs (2.7.0)
@@ -73,8 +74,9 @@ GEM
       typhoeus (~> 0.7)
     html-pipeline (2.5.0)
       activesupport (>= 2)
-      nokogiri (1.8.2)
-    i18n (0.7.0)
+      nokogiri (= 1.8.2)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     jekyll (3.3.1)
       addressable (~> 2.4)
       colorator (~> 1.0)