diff --git a/.github/workflows/publish_release.yml b/.github/workflows/publish_release.yml
index f8624cf..b3e0234 100644
--- a/.github/workflows/publish_release.yml
+++ b/.github/workflows/publish_release.yml
@@ -13,10 +13,11 @@ jobs:
       - uses: actions/setup-ruby@v1
         with:
           ruby-version: '2.6'
-      - name: Set up JDK 1.11
-        uses: actions/setup-java@v1
+      - name: set up JDK
+        uses: actions/setup-java@v2
         with:
-          java-version: 1.11
+          distribution: 'zulu'
+          java-version: '11'
       - name: Build & run unit tests
         shell: bash
         run: ./gradlew --continue build testRelease
diff --git a/.github/workflows/publish_snapshot.yml b/.github/workflows/publish_snapshot.yml
index f8714e5..e68f595 100644
--- a/.github/workflows/publish_snapshot.yml
+++ b/.github/workflows/publish_snapshot.yml
@@ -10,10 +10,11 @@ jobs:
     runs-on: [ ubuntu-latest ]
     steps:
       - uses: actions/checkout@v1
-      - name: Set up JDK 1.11
-        uses: actions/setup-java@v1
+      - name: set up JDK
+        uses: actions/setup-java@v2
         with:
-          java-version: 1.11
+          distribution: 'zulu'
+          java-version: '11'
       - name: Run unit tests
         shell: bash
         run: ./gradlew --continue build testRelease
diff --git a/.github/workflows/pull_request.yml b/.github/workflows/pull_request.yml
index bf94fb6..cddc4bb 100644
--- a/.github/workflows/pull_request.yml
+++ b/.github/workflows/pull_request.yml
@@ -12,10 +12,11 @@ jobs:
       - uses: actions/setup-ruby@v1
         with:
           ruby-version: '2.6'
-      - name: set up JDK 1.11
-        uses: actions/setup-java@v1
+      - name: set up JDK
+        uses: actions/setup-java@v2
         with:
-          java-version: 1.11
+          distribution: 'zulu'
+          java-version: '11'
       - name: Run Lint Check
         shell: bash
         run: ./gradlew lintCheck
diff --git a/buildSrc/src/main/kotlin/ProjectSettings.kt b/buildSrc/src/main/kotlin/ProjectSettings.kt
index eb4031a..cc3d11d 100644
--- a/buildSrc/src/main/kotlin/ProjectSettings.kt
+++ b/buildSrc/src/main/kotlin/ProjectSettings.kt
@@ -1,8 +1,7 @@
 object ProjectSettings {
     const val applicationId = "app.futured.donut"
-    const val targetSdk = 29
+    const val targetSdk = 31
     const val minSdkLibrary = 19
     const val minSdkLibraryCompose = 21
     const val minSdkSample = 21
-    const val minSdk = 21
 }
diff --git a/buildSrc/src/main/kotlin/Versions.kt b/buildSrc/src/main/kotlin/Versions.kt
index 285b027..e2ecc09 100644
--- a/buildSrc/src/main/kotlin/Versions.kt
+++ b/buildSrc/src/main/kotlin/Versions.kt
@@ -1,9 +1,9 @@
 object Versions {
     // gradle
-    const val gradle = "7.0.0-alpha12"
+    const val gradle = "7.0.3"
 
     // kotlin
-    const val kotlin = "1.4.32"
+    const val kotlin = "1.5.31"
 
     // plugins
     const val detekt = "1.4.0"
@@ -13,10 +13,10 @@ object Versions {
     const val dokka = "1.4.20"
 
     // androidx
-    const val appCompat = "1.3.0-beta01"
+    const val appCompat = "1.3.1"
     const val constraintLayout = "1.1.3"
     const val ktx = "1.1.0"
 
     // Jetpack Compose
-    const val jetpackCompose = "1.0.0-beta04"
+    const val jetpackCompose = "1.0.4"
 }
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 9fccb7a..5416585 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -2,4 +2,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.8.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.1.1-bin.zip
diff --git a/library-compose/build.gradle.kts b/library-compose/build.gradle.kts
index 757b3aa..82e26c3 100644
--- a/library-compose/build.gradle.kts
+++ b/library-compose/build.gradle.kts
@@ -7,11 +7,11 @@ plugins {
 }
 
 android {
-    compileSdkVersion(ProjectSettings.targetSdk)
+    compileSdk = ProjectSettings.targetSdk
 
     defaultConfig {
-        minSdkVersion(ProjectSettings.minSdkLibraryCompose)
-        targetSdkVersion(ProjectSettings.targetSdk)
+        minSdk = ProjectSettings.minSdkLibraryCompose
+        targetSdk = ProjectSettings.targetSdk
     }
 
     sourceSets {
diff --git a/library/build.gradle.kts b/library/build.gradle.kts
index 737adf7..c6cafdb 100644
--- a/library/build.gradle.kts
+++ b/library/build.gradle.kts
@@ -7,11 +7,11 @@ plugins {
 }
 
 android {
-    compileSdkVersion(ProjectSettings.targetSdk)
+    compileSdk = ProjectSettings.targetSdk
 
     defaultConfig {
-        minSdkVersion(ProjectSettings.minSdkLibrary)
-        targetSdkVersion(ProjectSettings.targetSdk)
+        minSdk = ProjectSettings.minSdkLibrary
+        targetSdk = ProjectSettings.targetSdk
     }
 
     sourceSets {
diff --git a/sample/build.gradle.kts b/sample/build.gradle.kts
index 21d26eb..f208767 100644
--- a/sample/build.gradle.kts
+++ b/sample/build.gradle.kts
@@ -6,12 +6,12 @@ plugins {
 }
 
 android {
-    compileSdkVersion(ProjectSettings.targetSdk)
+    compileSdk = ProjectSettings.targetSdk
 
     defaultConfig {
         applicationId = ProjectSettings.applicationId
-        minSdkVersion(ProjectSettings.minSdk)
-        targetSdkVersion(ProjectSettings.targetSdk)
+        minSdk = ProjectSettings.minSdkSample
+        targetSdk = ProjectSettings.targetSdk
         versionCode = 1
     }
 
diff --git a/sample/src/main/AndroidManifest.xml b/sample/src/main/AndroidManifest.xml
index 284d11f..de44813 100644
--- a/sample/src/main/AndroidManifest.xml
+++ b/sample/src/main/AndroidManifest.xml
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
     package="app.futured.donutsample">
 
     <application
@@ -12,18 +13,20 @@
 
         <activity
             android:name=".ui.main.MainActivity"
-            android:screenOrientation="portrait">
+            android:exported="true"
+            android:screenOrientation="portrait"
+            tools:ignore="LockedOrientationActivity">
             <intent-filter>
-                <action android:name="android.intent.action.MAIN" />
-                <action android:name="android.intent.action.VIEW" />
+                <action android:name="android.intent.action.MAIN"/>
+                <action android:name="android.intent.action.VIEW"/>
 
-                <category android:name="android.intent.category.LAUNCHER" />
+                <category android:name="android.intent.category.LAUNCHER"/>
             </intent-filter>
         </activity>
 
-        <activity android:name=".ui.playground.PlaygroundActivity" />
+        <activity android:name=".ui.playground.PlaygroundActivity"/>
 
-        <activity android:name=".ui.playground.compose.PlaygroundComposeActivity" />
+        <activity android:name=".ui.playground.compose.PlaygroundComposeActivity"/>
     </application>
 
 </manifest>