diff --git a/docs/Gemfile b/docs/Gemfile
index f144584eff350..87f4006694b5b 100644
--- a/docs/Gemfile
+++ b/docs/Gemfile
@@ -11,7 +11,7 @@ gem 'jekyll-redirect-from'
 gem 'jekyll-paginate'
 
 # JSON
-gem 'json'
+gem 'json', '>= 2.3.0'
 
 # For `rake watch`
 gem 'rb-fsevent'
diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index bd775465628be..5d4b678669424 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -20,7 +20,7 @@ GEM
       sass (~> 3.4)
     jekyll-watch (1.4.0)
       listen (~> 3.0, < 3.1)
-    json (2.0.1)
+    json (2.3.0)
     kramdown (1.11.1)
     liquid (3.0.6)
     listen (3.0.8)
@@ -59,7 +59,7 @@ DEPENDENCIES
   jekyll (~> 3.1)
   jekyll-paginate
   jekyll-redirect-from
-  json
+  json (>= 2.3.0)
   pygments.rb
   rake
   rb-fsevent
@@ -67,4 +67,4 @@ DEPENDENCIES
   sanitize (~> 2.0)
 
 BUNDLED WITH
-   1.11.2
+   1.17.3