diff --git a/CHANGELOG.md b/CHANGELOG.md
index d9399d2..6a50bd8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,17 +5,17 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
-## [Unreleased]
+## [1.2.0] - 2021-09-24
 
-- Update Gradle to 6.9
-- Update Kotlin to 1.4.20
-- Add changing `.env` file feature
-  - If environment variable `ENV_FILE` is set, The plugin read a file specified `ENV_FILE` instead of `.env` file.
+## Added
+
+- Changing `.env` file [#14](https://github.com/uzzu/dotenv-gradle/issues/14)
+    - If environment variable `ENV_FILE` is set, The plugin read a file specified `ENV_FILE` instead of `.env` file.
 
 ## Changed
 
-- Update Gradle to 6.6
-- Update Kotlin to 1.3.72
+- Update Gradle to 6.9
+- Update Kotlin to 1.4.20
 
 ## [1.1.0] - 2020-04-21
 
diff --git a/examples/basic/build.gradle.kts b/examples/basic/build.gradle.kts
index 0b05215..bf48a20 100644
--- a/examples/basic/build.gradle.kts
+++ b/examples/basic/build.gradle.kts
@@ -1,6 +1,6 @@
 plugins {
     base
-    id("co.uzzu.dotenv.gradle") version "1.1.0"
+    id("co.uzzu.dotenv.gradle") version "1.2.0"
 }
 
 println(env.FOO.orElse("default_foo"))
diff --git a/examples/change_file/build.gradle.kts b/examples/change_file/build.gradle.kts
index c4dc7a7..9c63dba 100644
--- a/examples/change_file/build.gradle.kts
+++ b/examples/change_file/build.gradle.kts
@@ -1,6 +1,6 @@
 plugins {
     base
-    id("co.uzzu.dotenv.gradle") version "1.1.0"
+    id("co.uzzu.dotenv.gradle") version "1.2.0"
 }
 
 println(env.FOO.value)
diff --git a/plugin/build.gradle.kts b/plugin/build.gradle.kts
index 325691b..f32552f 100644
--- a/plugin/build.gradle.kts
+++ b/plugin/build.gradle.kts
@@ -42,7 +42,7 @@ tasks {
 object Artifact {
     val groupId = "co.uzzu.dotenv"
     val artifactId = "gradle"
-    val version = "1.1.0"
+    val version = "1.2.0"
 }
 
 group = Artifact.groupId