diff --git a/CHANGELOG.md b/CHANGELOG.md
index 79afdbc5..65706ad9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+## 0.11.18 (2021-11-18)
+
+ENHANCEMENTS:
+
+- Update all APIs of `UEC` (#182)
+- Update all APIs of `UNVS` (#179)
+
 ## 0.11.17 (2021-11-11)
 
 ENHANCEMENTS:
diff --git a/ucloud/version.py b/ucloud/version.py
index a803bc75..48fc0d16 100644
--- a/ucloud/version.py
+++ b/ucloud/version.py
@@ -1 +1 @@
-version = "0.11.17"
+version = "0.11.18"