diff --git a/CHANGELOG-zh.md b/CHANGELOG-zh.md
index 7876be4d..b3420b47 100644
--- a/CHANGELOG-zh.md
+++ b/CHANGELOG-zh.md
@@ -1,4 +1,4 @@
-# 0.4.9 (TBC)
+# 0.4.9 (2020-03-31)
 ### 功能 / 优化
 - **挑战**. 用户可以完成不同的趣味挑战..
 - **更高级的权限控制**. 更细化的权限管理，例如普通用户只能查看或管理自己的爬虫或项目，而管理用户可以查看或管理所有爬虫或项目.
diff --git a/CHANGELOG.md b/CHANGELOG.md
index e957b11b..ae15b56d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,4 @@
-# 0.4.9 (TBC)
+# 0.4.9 (2020-03-31)
 ### Features / Enhancement
 - **Challenges**. Users can achieve different challenges based on their actions.
 - **More Advanced Access Control**. More granular access control, e.g. normal users can only view/manage their own spiders/projects and admin users can view/manage all spiders/projects.