diff --git a/ktlint-gradle-plugin/src/test/kotlin/io/github/usefulness/functional/AndroidProjectTest.kt b/ktlint-gradle-plugin/src/test/kotlin/io/github/usefulness/functional/AndroidProjectTest.kt
index 142a8ca..27ccabf 100644
--- a/ktlint-gradle-plugin/src/test/kotlin/io/github/usefulness/functional/AndroidProjectTest.kt
+++ b/ktlint-gradle-plugin/src/test/kotlin/io/github/usefulness/functional/AndroidProjectTest.kt
@@ -44,7 +44,7 @@ internal class AndroidProjectTest : WithGradleTest.Android() {
                         
                         android {
                             namespace 'io.github.usefulness'
-                            compileSdkVersion 33
+                            compileSdk 33
                             defaultConfig {
                                 minSdkVersion 23
                             }
diff --git a/ktlint-gradle-plugin/src/test/kotlin/io/github/usefulness/functional/ModifiedSourceSetsTest.kt b/ktlint-gradle-plugin/src/test/kotlin/io/github/usefulness/functional/ModifiedSourceSetsTest.kt
index 71f57f7..be92707 100644
--- a/ktlint-gradle-plugin/src/test/kotlin/io/github/usefulness/functional/ModifiedSourceSetsTest.kt
+++ b/ktlint-gradle-plugin/src/test/kotlin/io/github/usefulness/functional/ModifiedSourceSetsTest.kt
@@ -45,7 +45,7 @@ internal class ModifiedSourceSetsTest : WithGradleTest.Android() {
                         
                         android {
                             namespace 'io.github.usefulness'
-                            compileSdkVersion 31
+                            compileSdk 31
                             defaultConfig {
                                 minSdkVersion 23
                             }
diff --git a/test-project-android/app/build.gradle b/test-project-android/app/build.gradle
index 0a125ed..51955ab 100644
--- a/test-project-android/app/build.gradle
+++ b/test-project-android/app/build.gradle
@@ -8,8 +8,18 @@ ktlint {
     reporters = ["plain"]
 }
 android {
-    compileSdkVersion(33)
     namespace = "com.ktint_gradle_plugin.example"
+    defaultConfig {
+        compileSdk 33
+        minSdkVersion 26
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_11
+        targetCompatibility JavaVersion.VERSION_11
+    }
+    kotlinOptions {
+        jvmTarget = JavaVersion.VERSION_11
+    }
 }
 
 dependencies {
diff --git a/test-project-android/app/src/main/java/org/jmailen/gradle/kotlinter/sample/EmptyClassBodyInJavaSourcesClass.kt b/test-project-android/app/src/main/java/io/github/usefulness/sample/EmptyClassBodyInJavaSourcesClass.kt
similarity index 100%
rename from test-project-android/app/src/main/java/org/jmailen/gradle/kotlinter/sample/EmptyClassBodyInJavaSourcesClass.kt
rename to test-project-android/app/src/main/java/io/github/usefulness/sample/EmptyClassBodyInJavaSourcesClass.kt
diff --git a/test-project-android/app/src/main/kotlin/org/jmailen/gradle/kotlinter/sample/EmptyClassBodyClass.kt b/test-project-android/app/src/main/kotlin/io/github/usefulness/sample/EmptyClassBodyClass.kt
similarity index 100%
rename from test-project-android/app/src/main/kotlin/org/jmailen/gradle/kotlinter/sample/EmptyClassBodyClass.kt
rename to test-project-android/app/src/main/kotlin/io/github/usefulness/sample/EmptyClassBodyClass.kt
diff --git a/test-project-android/app/src/test/kotlin/org/jmailen/gradle/kotlinter/sample/CustomRuleTest.kt b/test-project-android/app/src/test/kotlin/io/github/usefulness/sample/CustomRuleTest.kt
similarity index 100%
rename from test-project-android/app/src/test/kotlin/org/jmailen/gradle/kotlinter/sample/CustomRuleTest.kt
rename to test-project-android/app/src/test/kotlin/io/github/usefulness/sample/CustomRuleTest.kt
diff --git a/test-project-android/app/src/test/kotlin/org/jmailen/gradle/kotlinter/sample/OpSpacing.kt b/test-project-android/app/src/test/kotlin/io/github/usefulness/sample/OpSpacing.kt
similarity index 100%
rename from test-project-android/app/src/test/kotlin/org/jmailen/gradle/kotlinter/sample/OpSpacing.kt
rename to test-project-android/app/src/test/kotlin/io/github/usefulness/sample/OpSpacing.kt
diff --git a/test-project-android/custom-ktlint-rules/build.gradle b/test-project-android/custom-ktlint-rules/build.gradle
index da83e4d..c2e610e 100644
--- a/test-project-android/custom-ktlint-rules/build.gradle
+++ b/test-project-android/custom-ktlint-rules/build.gradle
@@ -3,5 +3,5 @@ plugins {
 }
 
 dependencies {
-    compileOnly("com.pinterest.ktlint:ktlint-core:0.49.0")
+    compileOnly("com.pinterest.ktlint:ktlint-cli-ruleset-core:0.49.0")
 }
diff --git a/test-project-android/custom-ktlint-rules/src/main/kotlin/org/jmailen/gradle/kotlinter/customrules/CustomRuleSetProvider.kt b/test-project-android/custom-ktlint-rules/src/main/kotlin/io/github/usefulness/customrules/CustomRuleSetProvider.kt
similarity index 51%
rename from test-project-android/custom-ktlint-rules/src/main/kotlin/org/jmailen/gradle/kotlinter/customrules/CustomRuleSetProvider.kt
rename to test-project-android/custom-ktlint-rules/src/main/kotlin/io/github/usefulness/customrules/CustomRuleSetProvider.kt
index df8b65b..c4e6612 100644
--- a/test-project-android/custom-ktlint-rules/src/main/kotlin/org/jmailen/gradle/kotlinter/customrules/CustomRuleSetProvider.kt
+++ b/test-project-android/custom-ktlint-rules/src/main/kotlin/io/github/usefulness/customrules/CustomRuleSetProvider.kt
@@ -1,12 +1,10 @@
 package io.github.usefulness.customrules
 
-import com.pinterest.ktlint.core.RuleProvider
 import com.pinterest.ktlint.cli.ruleset.core.api.RuleSetProviderV3
+import com.pinterest.ktlint.rule.engine.core.api.RuleProvider
+import com.pinterest.ktlint.rule.engine.core.api.RuleSetId
 
-class CustomRuleSetProvider : RuleSetProviderV3(
-    "custom-ktlint-rules",
-    about = NO_ABOUT,
-) {
+class CustomRuleSetProvider : RuleSetProviderV3(RuleSetId("custom-ktlint-rules")) {
 
     override fun getRuleProviders() = setOf(
         RuleProvider { NoNewLineBeforeReturnTypeRule() },
diff --git a/test-project-android/custom-ktlint-rules/src/main/kotlin/org/jmailen/gradle/kotlinter/customrules/NoNewLineBeforeReturnTypeRule.kt b/test-project-android/custom-ktlint-rules/src/main/kotlin/io/github/usefulness/customrules/NoNewLineBeforeReturnTypeRule.kt
similarity index 73%
rename from test-project-android/custom-ktlint-rules/src/main/kotlin/org/jmailen/gradle/kotlinter/customrules/NoNewLineBeforeReturnTypeRule.kt
rename to test-project-android/custom-ktlint-rules/src/main/kotlin/io/github/usefulness/customrules/NoNewLineBeforeReturnTypeRule.kt
index c1a6ef6..8bda324 100644
--- a/test-project-android/custom-ktlint-rules/src/main/kotlin/org/jmailen/gradle/kotlinter/customrules/NoNewLineBeforeReturnTypeRule.kt
+++ b/test-project-android/custom-ktlint-rules/src/main/kotlin/io/github/usefulness/customrules/NoNewLineBeforeReturnTypeRule.kt
@@ -1,17 +1,20 @@
 package io.github.usefulness.customrules
 
-import com.pinterest.ktlint.core.Rule
-import com.pinterest.ktlint.core.api.EditorConfigProperties
-import com.pinterest.ktlint.core.ast.isPartOfComment
-import com.pinterest.ktlint.core.ast.isPartOfString
-import com.pinterest.ktlint.core.ast.nextLeaf
+import com.pinterest.ktlint.rule.engine.core.api.Rule
+import com.pinterest.ktlint.rule.engine.core.api.RuleId
+import com.pinterest.ktlint.rule.engine.core.api.isPartOfComment
+import com.pinterest.ktlint.rule.engine.core.api.isPartOfString
+import com.pinterest.ktlint.rule.engine.core.api.nextLeaf
 import org.jetbrains.kotlin.com.intellij.lang.ASTNode
 import org.jetbrains.kotlin.com.intellij.psi.impl.source.tree.LeafPsiElement
 import org.jetbrains.kotlin.psi.KtFunction
 import org.jetbrains.kotlin.psi.KtPrimaryConstructor
 import org.jetbrains.kotlin.psi.KtSecondaryConstructor
 
-class NoNewLineBeforeReturnTypeRule : Rule("no-newline-before-return-type") {
+class NoNewLineBeforeReturnTypeRule : Rule(
+    ruleId = RuleId("custom-ktlint-rules:no-newline-before-return-type"),
+    about = About()
+) {
 
     override fun beforeVisitChildNodes(
         node: ASTNode,
diff --git a/test-project/src/main/kotlin/org/jmailen/gradle/kotlinter/sample/EmptyClassBodyClass.kt b/test-project/src/main/kotlin/io/github/usefulness/sample/EmptyClassBodyClass.kt
similarity index 100%
rename from test-project/src/main/kotlin/org/jmailen/gradle/kotlinter/sample/EmptyClassBodyClass.kt
rename to test-project/src/main/kotlin/io/github/usefulness/sample/EmptyClassBodyClass.kt
diff --git a/test-project/src/test/kotlin/org/jmailen/gradle/kotlinter/sample/OpSpacing.kt b/test-project/src/test/kotlin/io/github/usefulness/sample/OpSpacing.kt
similarity index 100%
rename from test-project/src/test/kotlin/org/jmailen/gradle/kotlinter/sample/OpSpacing.kt
rename to test-project/src/test/kotlin/io/github/usefulness/sample/OpSpacing.kt