diff --git a/docs/Gemfile b/docs/Gemfile
index f0c5cf9f0..b73e589e9 100644
--- a/docs/Gemfile
+++ b/docs/Gemfile
@@ -15,7 +15,7 @@ gem "github-pages", "~> 227", group: :jekyll_plugins
 group :jekyll_plugins do
   gem "jekyll-assets", "~> 3.0.12"
   gem "jekyll-feed", "~> 0.12"
-  gem "jekyll-toc", "~> 0.17"
+  gem "jekyll-toc", "~> 0.18"
 end
 
 # Windows and JRuby does not include zoneinfo files, so bundle the tzinfo-data gem
diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index 083aa37de..c6f06bda3 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -6,8 +6,8 @@ GEM
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    addressable (2.8.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     coffee-script (2.4.1)
       coffee-script-source
       execjs
@@ -207,9 +207,9 @@ GEM
       jekyll-seo-tag (~> 2.0)
     jekyll-titles-from-headings (0.5.3)
       jekyll (>= 3.3, < 5.0)
-    jekyll-toc (0.17.1)
+    jekyll-toc (0.18.0)
       jekyll (>= 3.9)
-      nokogiri (~> 1.11)
+      nokogiri (~> 1.12)
     jekyll-watch (2.2.1)
       listen (~> 3.0)
     jemoji (0.12.0)
@@ -224,17 +224,17 @@ GEM
     liquid-tag-parser (1.9.0)
       extras (~> 0.3)
       liquid (>= 3.0, < 5.0)
-    listen (3.7.1)
+    listen (3.8.0)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     mercenary (0.3.6)
-    mini_portile2 (2.8.0)
+    mini_portile2 (2.8.1)
     minima (2.5.1)
       jekyll (>= 3.5, < 5.0)
       jekyll-feed (~> 0.9)
       jekyll-seo-tag (~> 2.1)
     minitest (5.16.2)
-    nokogiri (1.13.8)
+    nokogiri (1.14.0)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
     octokit (4.25.1)
@@ -243,9 +243,9 @@ GEM
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
     public_suffix (4.0.7)
-    racc (1.6.0)
+    racc (1.6.2)
     rack (2.2.4)
-    rb-fsevent (0.11.1)
+    rb-fsevent (0.11.2)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
     rexml (3.2.5)
@@ -286,7 +286,7 @@ DEPENDENCIES
   http_parser.rb (~> 0.6.0)
   jekyll-assets (~> 3.0.12)
   jekyll-feed (~> 0.12)
-  jekyll-toc (~> 0.17)
+  jekyll-toc (~> 0.18)
   sprockets (~> 3.7.2)
   tzinfo (~> 1.2)
   tzinfo-data