diff --git a/CHANGELOG.md b/CHANGELOG.md
index b72d899..0a76a22 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,66 @@
 # Changelog
 
+## 9.1
+
+Replace [environment variable](https://developer.android.com/tools/variables#envar) `ANDROID_SDK_ROOT` (deprecated) with `ANDROID_HOME`
+
+**Main Image**
+
+```console
+docker pull thyrlian/android-sdk:9.1
+```
+
+**What's New**
+* Upgraded OpenJDK from 17.0.6 to 17.0.7
+* Upgraded Kotlin compiler from 1.8.20 to 1.8.21
+
+Component | Version
+--------- | -------
+Ubuntu | 22.04.2 LTS (Jammy Jellyfish)
+Java | 17.0.7
+Gradle | 8.1.1
+Kotlin compiler | 1.8.21
+Android SDK Command-line Tools | 9.0
+OpenSSH | 1:8.9p1-3
+
+**Variant Image**
+
+```console
+docker pull thyrlian/android-sdk-jdk11:9.1
+```
+
+**What's New**
+* Upgraded OpenJDK from 11.0.18 to 11.0.19
+
+Component | Version
+--------- | -------
+Java | 11.0.19
+
+**Sub-image**: VNC
+
+```console
+docker pull thyrlian/android-sdk-vnc:9.1
+```
+
+Component | Version
+--------- | -------
+TightVNC | 1.3.10
+
+**Sub-image**: Firebase Test Lab
+
+```console
+docker pull thyrlian/android-sdk-firebase-test-lab:9.1
+```
+
+**What's New**
+* Upgraded Google Cloud SDK from 427.0.0 to 432.0.0
+
+Component | Version
+--------- | -------
+Google Cloud SDK | 432.0.0
+
+---
+
 ## 9.0
 
 **Main Image**