diff --git a/sidebars.js b/sidebars.js
index 61e6028391b..c93db80d985 100644
--- a/sidebars.js
+++ b/sidebars.js
@@ -1479,6 +1479,7 @@ const sidebars = {
         'operations/optimizing-performance/sampling-query-profiler',
         'operations/query-cache',
         'operations/query-condition-cache',
+        'operations/query-plan-cache',
         'operations/userspace-page-cache',
         'operations/performance-test',
       ],