diff --git a/content/english/memos/index.md b/content/english/memos/index.md
index 3e6bb35..c4cf36c 100644
--- a/content/english/memos/index.md
+++ b/content/english/memos/index.md
@@ -28,4 +28,8 @@ Memos are published once a month as PDF documents below.
 
 - [HMC Memo 005 - Invite Tree](/memos/HMC-Memo-005-Invite-Tree.pdf)
 
+**April 2026**
+
+- [HMC Memo 006 - HMC Library](/memos/HMC-Memo-006-HMC-Library.pdf)
+
 Date of publication varies.