diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index bd23c1f77b..297eaddd97 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -15,8 +15,8 @@ GEM
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    addressable (2.7.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     autoprefixer-rails (9.8.4)
       execjs
     backports (3.18.1)
@@ -98,7 +98,7 @@ GEM
     padrino-support (0.13.3.4)
       activesupport (>= 3.1)
     parallel (1.19.2)
-    public_suffix (4.0.5)
+    public_suffix (5.0.0)
     puma (4.3.5)
       nio4r (~> 2.0)
     racc (1.5.2)