diff --git a/docs/sites.yml b/docs/sites.yml
index 67714380f3e42..3eb4706881e31 100644
--- a/docs/sites.yml
+++ b/docs/sites.yml
@@ -8185,3 +8185,16 @@
     - Blog
   built_by: anikijiang
   built_by_url: https://twitter.com/anikijiang
+- title: kentarom's portfolio
+  main_url: https://kentarom.com/
+  url: https://kentarom.com/
+  source_url: https://github.com/kentaro-m/portfolio-gatsby
+  description: >
+    The portfolio of kentarom, frontend developer. This site shows recent activities about him.
+  categories:
+    - Portfolio
+    - Technology
+    - Web Development
+  built_by: kentarom
+  built_by_url: https://twitter.com/_kentaro_m
+  featured: false