diff --git a/posts/2026-07-11-obsidian.md b/posts/2026-07-11-obsidian.md
index fdf83ff..275cf15 100644
--- a/posts/2026-07-11-obsidian.md
+++ b/posts/2026-07-11-obsidian.md
@@ -1,6 +1,6 @@
 ---
 title: 仕事でObsidianを使う
-published_date: 2026-07-11T04:17+9
+published_date: 2026-07-11 04:17:00 +0900
 layout: default.liquid
 is_draft: false
 ---