diff --git a/docs/benchmarks/json/_category_.json b/docs/benchmarks/json/_category_.json
index d6cdf1f1b18..5c71869ca63 100644
--- a/docs/benchmarks/json/_category_.json
+++ b/docs/benchmarks/json/_category_.json
@@ -1,5 +1,6 @@
 {
   "position": 4,
+  "key": "benchmark-json",
   "label": "Fory JSON",
   "collapsible": true,
   "collapsed": true
diff --git a/docs/benchmarks/object-serialization/_category_.json b/docs/benchmarks/object-serialization/_category_.json
index 517dab897ed..9e88c4d51aa 100644
--- a/docs/benchmarks/object-serialization/_category_.json
+++ b/docs/benchmarks/object-serialization/_category_.json
@@ -1,5 +1,6 @@
 {
   "position": 3,
+  "key": "benchmark-object-serialization",
   "label": "Object Serialization",
   "collapsible": true,
   "collapsed": true
diff --git a/docs/benchmarks/object-serialization/xlang/_category_.json b/docs/benchmarks/object-serialization/xlang/_category_.json
index d2418b5e5e0..147b2ed6ea4 100644
--- a/docs/benchmarks/object-serialization/xlang/_category_.json
+++ b/docs/benchmarks/object-serialization/xlang/_category_.json
@@ -1,5 +1,6 @@
 {
   "position": 1,
+  "key": "benchmark-object-serialization-xlang",
   "label": "Xlang",
   "collapsible": true,
   "collapsed": true