diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index 9475b4a3ee8..995075cee71 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -12,8 +12,8 @@ GEM
       minitest (>= 5.1)
       securerandom (>= 0.3)
       tzinfo (~> 2.0, >= 2.0.5)
-    addressable (2.8.7)
-      public_suffix (>= 2.0.2, < 7.0)
+    addressable (2.9.0)
+      public_suffix (>= 2.0.2, < 8.0)
     base64 (0.2.0)
     bigdecimal (3.1.8)
     coffee-script (2.4.1)