diff --git a/docs/Gemfile b/docs/Gemfile
index b43c8f4222..086661e410 100644
--- a/docs/Gemfile
+++ b/docs/Gemfile
@@ -1,6 +1,6 @@
 source 'https://rubygems.org'
 
-gem 'jekyll', '3.9.1'
+gem 'jekyll', '3.9.2'
 
 group :jekyll_plugins do
   gem 'jekyll-paginate'
diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index af0509edc7..0bfaf7ec98 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -1,20 +1,20 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.8.6)
-      public_suffix (>= 2.0.2, < 6.0)
+    addressable (2.8.7)
+      public_suffix (>= 2.0.2, < 7.0)
     colorator (1.1.0)
-    concurrent-ruby (1.2.3)
+    concurrent-ruby (1.3.3)
     em-websocket (0.5.3)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0)
     eventmachine (1.2.7)
-    ffi (1.16.3)
+    ffi (1.17.0)
     forwardable-extended (2.6.0)
     http_parser.rb (0.8.0)
     i18n (0.9.5)
       concurrent-ruby (~> 1.0)
-    jekyll (3.9.1)
+    jekyll (3.9.2)
       addressable (~> 2.4)
       colorator (~> 1.0)
       em-websocket (~> 0.5)
@@ -42,13 +42,13 @@ GEM
     mercenary (0.3.6)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
-    public_suffix (5.0.5)
+    public_suffix (5.1.1)
     rb-fsevent (0.11.2)
-    rb-inotify (0.10.1)
+    rb-inotify (0.11.1)
       ffi (~> 1.0)
     redcarpet (3.5.1)
-    rexml (3.2.8)
-      strscan (>= 3.0.9)
+    rexml (3.3.4)
+      strscan
     rouge (3.30.0)
     safe_yaml (1.0.5)
     sass (3.7.4)
@@ -62,7 +62,7 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  jekyll (= 3.9.1)
+  jekyll (= 3.9.2)
   jekyll-paginate
   json
   redcarpet