diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7ef2b76b..39d1a1fc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+## 0.5.2 (2019-10-25)
+
+BUG FIXES:
+
+- fix `UCDN` response fields
+
 ## 0.6.0 (2019-10-23)
 
 FEATURES:
diff --git a/ucloud/version.py b/ucloud/version.py
index aaf05b32..4e1777d9 100644
--- a/ucloud/version.py
+++ b/ucloud/version.py
@@ -1 +1 @@
-version = "0.6.0"
+version = "0.5.2"