diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index 40c105a0de..68434c96cb 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -1,8 +1,8 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.7.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     ethon (0.12.0)
       ffi (>= 1.3.0)
     ffi (1.12.1)
@@ -21,7 +21,7 @@ GEM
     nokogumbo (2.0.2)
       nokogiri (~> 1.8, >= 1.8.4)
     parallel (1.19.1)
-    public_suffix (4.0.3)
+    public_suffix (5.0.0)
     rainbow (3.0.0)
     typhoeus (1.3.1)
       ethon (>= 0.9.0)