diff --git a/config/_default/params.toml b/config/_default/params.toml
index f0b9299..296446a 100644
--- a/config/_default/params.toml
+++ b/config/_default/params.toml
@@ -57,7 +57,7 @@ show_categories = true
 [announcement]
 enable = true
 expire_days = 7
-content = "Our New [AI Policy](/memos/HMC-Memo-008-New-AI-Policy.pdf)"
+content = "Founder's Memo on [Real-Life Camaraderie](/memos/HMC-Memo-009-Build-Up-Friendhips.pdf)"
 
 # seo meta data for OpenGraph / Twitter Card
 # seo module: https://github.com/gethugothemes/hugo-modules/tree/master/seo-tools/basic-seo
diff --git a/content/english/memos/index.md b/content/english/memos/index.md
index fdcf8a1..4d1d5a2 100644
--- a/content/english/memos/index.md
+++ b/content/english/memos/index.md
@@ -40,4 +40,8 @@ Memos are published once a month as PDF documents below.
 
 - [HMC Memo 008 - New AI Policy](/memos/HMC-Memo-008-New-AI-Policy.pdf)
 
+**July 2026**
+
+- [HMC Memo 009 - Build Up Friendships](/memos/HMC-Memo-009-Build-Up-Friendships.pdf)
+
 Date of publication varies.
diff --git a/static/memos/HMC-Memo-009-Build-Up-Friendships.pdf b/static/memos/HMC-Memo-009-Build-Up-Friendships.pdf
new file mode 100644
index 0000000..1d981e2
Binary files /dev/null and b/static/memos/HMC-Memo-009-Build-Up-Friendships.pdf differ