diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index 9133a6b..77876e5 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -203,7 +203,7 @@ GEM
     thread_safe (0.3.6)
     typhoeus (0.8.0)
       ethon (>= 0.8.0)
-    tzinfo (1.2.3)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     unicode-display_width (1.3.0)
 
@@ -212,7 +212,6 @@ PLATFORMS
 
 DEPENDENCIES
   github-pages
-  jekyll-feed (~> 0.6)
   jekyll-gist
   jekyll-sitemap
   tzinfo-data