diff --git a/src/renderGraphiQL.js b/src/renderGraphiQL.js
index f27febf8..bd1cdb86 100644
--- a/src/renderGraphiQL.js
+++ b/src/renderGraphiQL.js
@@ -16,7 +16,7 @@ type GraphiQLData = {
 };
 
 // Current latest version of GraphiQL.
-const GRAPHIQL_VERSION = '0.6.5';
+const GRAPHIQL_VERSION = '0.6.6';
 
 // Ensures string values are save to be used within a <script> tag.
 function safeSerialize(data) {