diff --git a/CHANGELOG.md b/CHANGELOG.md
index bfaaf85..c03211b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,7 +2,30 @@
 ## [Unreleased]
 
 
-## [v0.2.0] - 2022-09-05
+## [v0.2.1] - 2022-09-16
+### Bugfix
+- use trimmed serverZones name
+- improved the accuracy of total(*) statistics by nginx-module-sts/pull/10
+
+### Chore
+- Add CI badge in README ([#245](https://github.com/vozlt/nginx-module-vts/issues/245))
+
+### Compatibility
+- fixed an issues/232 with compile errors in gcc 11.3
+
+### Debug
+- added ngx_log_error() when ngx_http_vhost_traffic_status_node_position_key() failed for issues/212
+
+### Docs
+- Fixed README
+
+### Test
+- build without -Wno-stringop-overread ([#243](https://github.com/vozlt/nginx-module-vts/issues/243))
+- Add test for prometheus syntax
+- Add test for display prometheus
+
+
+## [v0.2.0] - 2022-09-06
 ### Bugfix
 - fixed for PR[#238](https://github.com/vozlt/nginx-module-vts/issues/238)
 - fixed for PR[#238](https://github.com/vozlt/nginx-module-vts/issues/238)
@@ -15,6 +38,7 @@
 -  fixed to display all A records of server without zone directive in the upstream block.
 
 ### Chore
+- Change module version. ([#241](https://github.com/vozlt/nginx-module-vts/issues/241))
 - Use git-chglog
 
 ### Comment
@@ -305,7 +329,8 @@
 - added type casting(ngx_atomic_t) in the ngx_vhost_traffic_status_node_init() and ngx_vhost_traffic_status_node_set()
 
 
-[Unreleased]: https://github.com/vozlt/nginx-module-vts/compare/v0.2.0...HEAD
+[Unreleased]: https://github.com/vozlt/nginx-module-vts/compare/v0.2.1...HEAD
+[v0.2.1]: https://github.com/vozlt/nginx-module-vts/compare/v0.2.0...v0.2.1
 [v0.2.0]: https://github.com/vozlt/nginx-module-vts/compare/v0.1.18...v0.2.0
 [v0.1.18]: https://github.com/vozlt/nginx-module-vts/compare/v0.1.17...v0.1.18
 [v0.1.17]: https://github.com/vozlt/nginx-module-vts/compare/v0.1.16...v0.1.17
diff --git a/README.md b/README.md
index 65b7cb4..6729d9d 100644
--- a/README.md
+++ b/README.md
@@ -1821,7 +1821,7 @@ To cut a release, create a changelog entry PR with [git-chglog](https://github.c
     git checkout -b "cut-${version}"
     git-chglog -o CHANGELOG.md --next-tag "${version}"
     git add CHANGELOG.md
-    sed -i "s/NGX_HTTP_VTS_MODULE_VERSION \".*/NGX_HTTP_VTS_MODULE_VERSION \"${version}\"" src/ngx_http_vhost_traffic_status_module.h
+    sed -i "s/NGX_HTTP_VTS_MODULE_VERSION \".*/NGX_HTTP_VTS_MODULE_VERSION \"${version}\"/" src/ngx_http_vhost_traffic_status_module.h
     git add src/ngx_http_vhost_traffic_status_module.h
     git-chglog -t .chglog/RELNOTES.tmpl --next-tag "${version}" "${version}" | git commit -F-
     
diff --git a/src/ngx_http_vhost_traffic_status_module.h b/src/ngx_http_vhost_traffic_status_module.h
index 4083736..a4b035b 100644
--- a/src/ngx_http_vhost_traffic_status_module.h
+++ b/src/ngx_http_vhost_traffic_status_module.h
@@ -24,7 +24,7 @@
  * I.E "v0.2.0+h0a1s2h"
  *
  */
-#define NGX_HTTP_VTS_MODULE_VERSION  "v0.2.0"
+#define NGX_HTTP_VTS_MODULE_VERSION "v0.2.1"
 
 #define NGX_HTTP_VHOST_TRAFFIC_STATUS_UPSTREAM_NO          0
 #define NGX_HTTP_VHOST_TRAFFIC_STATUS_UPSTREAM_UA          1