diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index 199817d..b27d9ef 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -1,8 +1,8 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.8.2)
-      public_suffix (>= 2.0.2, < 6.0)
+    addressable (2.9.0)
+      public_suffix (>= 2.0.2, < 8.0)
     colorator (1.1.0)
     concurrent-ruby (1.2.2)
     em-websocket (0.5.3)
@@ -67,7 +67,7 @@ GEM
     nuggets (1.6.1)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
-    public_suffix (5.0.1)
+    public_suffix (7.0.5)
     racc (1.8.1)
     rb-fsevent (0.11.2)
     rb-inotify (0.10.1)