diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index f4776e9..7f3cf31 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -4,7 +4,7 @@ GEM
     activesupport (3.2.22.5)
       i18n (~> 0.6, >= 0.6.4)
       multi_json (~> 1.0)
-    addressable (2.7.0)
+    addressable (2.8.0)
       public_suffix (>= 2.0.2, < 5.0)
     bibtex-ruby (4.4.7)
       latex-decode (~> 0.0)