diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index c5547f17..4590c655 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -11,8 +11,8 @@ GEM
       minitest (>= 5.1)
       mutex_m
       tzinfo (~> 2.0)
-    addressable (2.8.4)
-      public_suffix (>= 2.0.2, < 6.0)
+    addressable (2.9.0)
+      public_suffix (>= 2.0.2, < 8.0)
     base64 (0.2.0)
     bigdecimal (3.1.4)
     coffee-script (2.4.1)