diff --git a/content/about/_index.md b/content/about/_index.md
index e61fe6a..8c985f2 100644
--- a/content/about/_index.md
+++ b/content/about/_index.md
@@ -11,6 +11,12 @@ date = "2021-04-30T00:00:00+08:00"
 - April 2022 ~ July 2023
   - Cloud Support Associate at [Amazon Web Services Japan GK](https://aws.amazon.com/jp/)
 
+## Works
+
+- A contributor to [KubeArmor](https://github.com/kubearmor/KubeArmor)
+  - [fix(monitor): fix UpdateNsKeyMap and DestroyBPFMaps functions by haytok · Pull Request #1264 · kubearmor/KubeArmor](https://github.com/kubearmor/KubeArmor/pull/1264)
+  - [fix(CI): add the job to run go test on the KubeArmor/KubeArmor directory by haytok · Pull Request #1267 · kubearmor/KubeArmor](https://github.com/kubearmor/KubeArmor/pull/1267)
+
 ## Education
 
 - April 2020 ~ March 2022