diff --git a/docs/Gemfile b/docs/Gemfile
index f7ff66a8f2..9c6edfa33d 100644
--- a/docs/Gemfile
+++ b/docs/Gemfile
@@ -21,7 +21,7 @@ source 'https://rubygems.org'
 ruby '>= 2.4.0'
 
 gem 'jekyll', '4.0.0.pre.beta1'
-gem 'addressable', '2.6.0'
+gem 'addressable', '2.8.0'
 gem 'octokit', '4.14.0'
 gem 'therubyracer', '0.12.3'
 gem 'json', '2.2.0'
diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index 185af92eb1..e49f41576a 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -1,8 +1,8 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.6.0)
-      public_suffix (>= 2.0.2, < 4.0)
+    addressable (2.8.0)
+      public_suffix (>= 2.0.2, < 5.0)
     colorator (1.1.0)
     concurrent-ruby (1.1.5)
     em-websocket (0.5.1)
@@ -54,7 +54,7 @@ GEM
       sawyer (~> 0.8.0, >= 0.5.3)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
-    public_suffix (3.1.1)
+    public_suffix (4.0.6)
     rake (12.3.3)
     rb-fsevent (0.10.3)
     rb-inotify (0.10.0)
@@ -82,7 +82,7 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  addressable (= 2.6.0)
+  addressable (= 2.8.0)
   jekyll (= 4.0.0.pre.beta1)
   jekyll-multiple-languages (= 2.0.3)
   jekyll-paginate (= 1.1.0)