diff --git a/CHANGELOG.md b/CHANGELOG.md
index 97c38e4..74983aa 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,9 +1,16 @@
 # MMKV-Kotlin Change Log
 
+## v1.2.1/2022-7-17
+
+* Update Kotlin Version
+ * Based on `Kotlin 1.7.10`
+
+* Update Android Target SDK to API 32
+
 ## v1.2.0/2022-06-13
 
 * Update Kotlin Version
- * Based on Kotlin 1.7.0 
+ * Based on `Kotlin 1.7.0`
 
 ## v1.1.1/2022-05-05
 
diff --git a/README.md b/README.md
index 917c494..513b52a 100644
--- a/README.md
+++ b/README.md
@@ -12,17 +12,17 @@ Kotlin Multiplatform Common (kts):
 
 ```kotlin
 dependencies {     
-    implementation("com.ctrip.flight.mmkv:mmkv-kotlin:1.2.0")
+    implementation("com.ctrip.flight.mmkv:mmkv-kotlin:1.2.1")
 }
 ```
 
-Current version based on `Kotlin 1.7.0` and `MMKV 1.2.13`.
+Current version based on `Kotlin 1.7.10` and `MMKV 1.2.13`.
 
 Pure Android platform (kts):
 
 ```kotlin
 dependencies {     
-    implementation("com.ctrip.flight.mmkv:mmkv-kotlin-android:1.2.0")
+    implementation("com.ctrip.flight.mmkv:mmkv-kotlin-android:1.2.1")
 }
 ```
 
@@ -31,10 +31,10 @@ Kotlin/Native on macOS：
 ```kotlin
 dependencies { 
     // Intel Chip
-    implementation("com.ctrip.flight.mmkv:mmkv-kotlin-macosx64:1.2.0")
+    implementation("com.ctrip.flight.mmkv:mmkv-kotlin-macosx64:1.2.1")
     
     // M1&M2 Chip
-    implementation("com.ctrip.flight.mmkv:mmkv-kotlin-macosarm64:1.2.0")
+    implementation("com.ctrip.flight.mmkv:mmkv-kotlin-macosarm64:1.2.1")
 }
 ```
 Note, if you want to import MMKV-Kotlin to your Kotlin/Native executable project that target is macOS, you need to manually add dependency on MMKV, and add `linkerOpts` on MMKV and MMKVCore：
diff --git a/README_CN.md b/README_CN.md
index 5428bfe..f64a8fd 100644
--- a/README_CN.md
+++ b/README_CN.md
@@ -10,17 +10,17 @@ Kotlin Multiplatform Common (kts):
 
 ```kotlin
 dependencies { 
-    implementation("com.ctrip.flight.mmkv:mmkv-kotlin:1.2.0")
+    implementation("com.ctrip.flight.mmkv:mmkv-kotlin:1.2.1")
 }
 ```
 
-当前版本依赖于 `Kotlin 1.7.0` 以及 `MMKV 1.2.13`。
+当前版本依赖于 `Kotlin 1.7.10` 以及 `MMKV 1.2.13`。
 
 纯 Android 平台（kts）：
 
 ```kotlin
 dependencies { 
-    implementation("com.ctrip.flight.mmkv:mmkv-kotlin-android:1.2.0")
+    implementation("com.ctrip.flight.mmkv:mmkv-kotlin-android:1.2.1")
 }
 ```
 
@@ -29,10 +29,10 @@ Kotlin/Native on macOS：
 ```kotlin
 dependencies { 
     // Intel 芯片
-    implementation("com.ctrip.flight.mmkv:mmkv-kotlin-macosx64:1.2.0")
+    implementation("com.ctrip.flight.mmkv:mmkv-kotlin-macosx64:1.2.1")
     
     // M1&M2 芯片
-    implementation("com.ctrip.flight.mmkv:mmkv-kotlin-macosarm64:1.2.0")
+    implementation("com.ctrip.flight.mmkv:mmkv-kotlin-macosarm64:1.2.1")
 }
 ```
 注意，如果您在目标平台为 macOS 的 Kotlin/Native 可执行程序工程中导入 MMKV-Kotlin，您需要手动在工程中添加对 MMKV 的依赖，并添加对 MMKV 及 MMKVCore 的 `linkerOpts`：
diff --git a/build.gradle.kts b/build.gradle.kts
index 4a016bf..2d02c27 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -5,7 +5,7 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath("org.jetbrains.kotlin:kotlin-gradle-plugin:1.7.0")
+        classpath("org.jetbrains.kotlin:kotlin-gradle-plugin:1.7.10")
         classpath("com.android.tools.build:gradle:7.2.1")
     }
 }
diff --git a/mmkv-kotlin/MMKV_Kotlin.podspec b/mmkv-kotlin/MMKV_Kotlin.podspec
index fbd861a..12689e2 100644
--- a/mmkv-kotlin/MMKV_Kotlin.podspec
+++ b/mmkv-kotlin/MMKV_Kotlin.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |spec|
     spec.name                     = 'mmkv_kotlin'
-    spec.version                  = '1.2.0'
+    spec.version                  = '1.2.1'
     spec.homepage                 = 'Link to the Shared Module homepage'
     spec.source                   = { :http=> ''}
     spec.authors                  = ''
diff --git a/mmkv-kotlin/build.gradle.kts b/mmkv-kotlin/build.gradle.kts
index d2405e6..cda4b9e 100644
--- a/mmkv-kotlin/build.gradle.kts
+++ b/mmkv-kotlin/build.gradle.kts
@@ -9,7 +9,7 @@ plugins {
     signing
 }
 
-version = "1.2.0"
+version = "1.2.1"
 group = "com.ctrip.flight.mmkv"
 
 val NEXUS_USERNAME: String by project
@@ -107,8 +107,8 @@ kotlin {
 }
 
 android {
-    compileSdk = 31
-    buildToolsVersion = "31.0.0"
+    compileSdk = 32
+    buildToolsVersion = "32.0.0"
     sourceSets["main"].manifest.srcFile("src/androidMain/AndroidManifest.xml")
     sourceSets.getByName("androidTest") {
         manifest.srcFile(File("src/androidTest/AndroidManifest.xml"))
@@ -116,7 +116,7 @@ android {
     }
     defaultConfig {
         minSdk = 23
-        targetSdk = 31
+        targetSdk = 32
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
     }
     testOptions {