diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index 9227fc0..1812db8 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -21,7 +21,7 @@ jobs:
         uses: actions/setup-java@v4
         with:
           distribution: 'corretto'
-          java-version: '17'
+          java-version: '21'
 
       - name: Set up Gradle
         uses: gradle/actions/setup-gradle@v4
diff --git a/.github/workflows/deploy-gh-pages.yml b/.github/workflows/deploy-gh-pages.yml
index ee5617c..e879f2d 100644
--- a/.github/workflows/deploy-gh-pages.yml
+++ b/.github/workflows/deploy-gh-pages.yml
@@ -26,7 +26,7 @@ jobs:
         uses: actions/setup-java@v4
         with:
           distribution: 'corretto'
-          java-version: '17'
+          java-version: '21'
       - name: Setup Gradle
         uses: gradle/actions/setup-gradle@v4
       - name: Build with Gradle
diff --git a/.github/workflows/publish-snapshot.yml b/.github/workflows/publish-snapshot.yml
index 8df088d..2a8f305 100644
--- a/.github/workflows/publish-snapshot.yml
+++ b/.github/workflows/publish-snapshot.yml
@@ -24,7 +24,7 @@ jobs:
         uses: actions/setup-java@v4
         with:
           distribution: 'corretto'
-          java-version: '17'
+          java-version: '21'
       - name: Setup Gradle
         uses: gradle/actions/setup-gradle@v4
       - name: Publish to Sonatype Snapshot repository
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 8f18bd3..a74db1f 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -24,7 +24,7 @@ jobs:
         uses: actions/setup-java@v4
         with:
           distribution: 'corretto'
-          java-version: '17'
+          java-version: '21'
 
       - name: Set up Gradle
         uses: gradle/gradle-build-action@v3
diff --git a/compose-remember-setting/build.gradle.kts b/compose-remember-setting/build.gradle.kts
index 0a56924..6c232a6 100644
--- a/compose-remember-setting/build.gradle.kts
+++ b/compose-remember-setting/build.gradle.kts
@@ -83,8 +83,8 @@ android {
         }
     }
     compileOptions {
-        sourceCompatibility = JavaVersion.VERSION_17
-        targetCompatibility = JavaVersion.VERSION_17
+        sourceCompatibility = JavaVersion.VERSION_21
+        targetCompatibility = JavaVersion.VERSION_21
     }
     buildFeatures {
         compose = true
diff --git a/example/composeApp/build.gradle.kts b/example/composeApp/build.gradle.kts
index 2a4a6f2..dde744a 100644
--- a/example/composeApp/build.gradle.kts
+++ b/example/composeApp/build.gradle.kts
@@ -33,7 +33,7 @@ kotlin {
     androidTarget {
         @OptIn(ExperimentalKotlinGradlePluginApi::class)
         compilerOptions {
-            jvmTarget.set(JvmTarget.JVM_17)
+            jvmTarget.set(JvmTarget.JVM_21)
         }
     }
 
@@ -99,8 +99,8 @@ android {
         }
     }
     compileOptions {
-        sourceCompatibility = JavaVersion.VERSION_17
-        targetCompatibility = JavaVersion.VERSION_17
+        sourceCompatibility = JavaVersion.VERSION_21
+        targetCompatibility = JavaVersion.VERSION_21
     }
     buildFeatures {
         compose = true
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index e016fdf..2790897 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,6 +1,6 @@
 [versions]
 agp = "8.7.3"
-android-compileSdk = "34"
+android-compileSdk = "35"
 android-minSdk = "24"
 android-targetSdk = "34"
 androidx-activityCompose = "1.10.0"