diff --git a/pages/index.mdx b/pages/index.mdx
index b414fb5..c074643 100644
--- a/pages/index.mdx
+++ b/pages/index.mdx
@@ -99,6 +99,11 @@ a Web Application Firewall using Signature and Character-level CNN
       - https://scan.netsecurity.ne.jp/article/2023/03/31/49143.html
 - INCS-CoE C2C(Country-to-Country) CTF 2023 Final
   - Won the "Main Challenge - Hitachi Award"
+- NFLabs. Cybersecurity Challenge for Students 2023
+  - Won the Writeup Prize
+    - References:
+      - https://blog.nflabs.jp/entry/2023/12/25/093000
+      - https://01futabato10.hateblo.jp/entry/2023/12/17/235819
 
 ## Achievements