diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index 4c65af5..22aeae0 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -16,8 +16,12 @@ GIT
       slim (>= 3.0, < 5.0)
 
 GEM
-  remote: https://rubygems.org/
   remote: https://rails-assets.org/
+  specs:
+    rails-assets-tether (1.4.7)
+
+GEM
+  remote: https://rubygems.org/
   specs:
     actioncable (5.1.7)
       actionpack (= 5.1.7)
@@ -56,8 +60,8 @@ 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)
     arel (8.0.0)
     bindex (0.8.1)
     builder (3.2.3)
@@ -111,7 +115,7 @@ GEM
     nokogiri (1.10.10)
       mini_portile2 (~> 2.4.0)
     pg (0.21.0)
-    public_suffix (4.0.1)
+    public_suffix (5.0.0)
     puma (3.12.6)
     rack (2.2.3)
     rack-proxy (0.6.5)
@@ -130,7 +134,6 @@ GEM
       bundler (>= 1.3.0)
       railties (= 5.1.7)
       sprockets-rails (>= 2.0.0)
-    rails-assets-tether (1.4.7)
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)