diff --git a/flink/docs/Gemfile b/flink/docs/Gemfile
index 6b3d0b4f..75f20bb9 100644
--- a/flink/docs/Gemfile
+++ b/flink/docs/Gemfile
@@ -24,7 +24,7 @@ gem 'jekyll', '3.7.2'
 gem 'addressable', '2.4.0'
 gem 'octokit', '~> 4.3.0'
 gem 'therubyracer', '0.12.2'
-gem 'json', '2.0.4'
+gem 'json', '2.3.0'
 
 group :jekyll_plugins do
   gem 'hawkins'
diff --git a/flink/docs/Gemfile.lock b/flink/docs/Gemfile.lock
index 1faadc0b..91abc2ef 100644
--- a/flink/docs/Gemfile.lock
+++ b/flink/docs/Gemfile.lock
@@ -35,7 +35,7 @@ GEM
       sass (~> 3.4)
     jekyll-watch (2.0.0)
       listen (~> 3.0)
-    json (2.0.4)
+    json (2.3.0)
     kramdown (1.16.2)
     libv8 (3.16.14.19)
     liquid (4.0.0)
@@ -75,7 +75,7 @@ DEPENDENCIES
   addressable (= 2.4.0)
   hawkins
   jekyll (= 3.7.2)
-  json (= 2.0.4)
+  json (= 2.3.0)
   octokit (~> 4.3.0)
   therubyracer (= 0.12.2)