diff --git a/CHANGELOG.md b/CHANGELOG.md
index dc1bc3a..8812e9e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,17 @@
 
 ## 0.10.0 (Unreleased)
 
+## 0.9.1
+
+### Important Changes
+
+- Feat: Support `https_redirection_port` option to redirect http requests to https with custom port.
+
+### Improvement
+
+- Refactor: lots of minor improvements
+- Deps
+
 ## 0.9.0
 
 ### Important Changes
diff --git a/Cargo.toml b/Cargo.toml
index 01c0263..bc6b043 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,5 +1,5 @@
 [workspace.package]
-version = "0.9.0"
+version = "0.9.1"
 authors = ["Jun Kurihara"]
 homepage = "https://github.com/junkurihara/rust-rpxy"
 repository = "https://github.com/junkurihara/rust-rpxy"