diff --git a/slate-docs/Gemfile.lock b/slate-docs/Gemfile.lock
index 1fcd5db5..42ac3680 100644
--- a/slate-docs/Gemfile.lock
+++ b/slate-docs/Gemfile.lock
@@ -6,8 +6,8 @@ GEM
       i18n (>= 1.6, < 2)
       minitest (>= 5.1)
       tzinfo (~> 2.0)
-    addressable (2.8.1)
-      public_suffix (>= 2.0.2, < 6.0)
+    addressable (2.9.0)
+      public_suffix (>= 2.0.2, < 8.0)
     autoprefixer-rails (10.2.5.0)
       execjs (< 2.8.0)
     backports (3.23.0)
@@ -91,7 +91,7 @@ GEM
     padrino-support (0.15.2)
     parallel (1.22.1)
     parslet (2.0.0)
-    public_suffix (5.0.1)
+    public_suffix (7.0.5)
     racc (1.8.1)
     rack (2.2.23)
     rb-fsevent (0.11.2)