diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index 0b4b85e..2dd4f7c 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -1,7 +1,7 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.7.0)
+    addressable (2.8.0)
       public_suffix (>= 2.0.2, < 5.0)
     colorator (1.1.0)
     ffi (1.11.1)
@@ -33,7 +33,7 @@ GEM
       jekyll (~> 3.3)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
-    public_suffix (4.0.1)
+    public_suffix (4.0.6)
     rb-fsevent (0.10.3)
     rb-inotify (0.10.0)
       ffi (~> 1.0)