diff --git a/buildSrc/src/main/kotlin/acra-android-library.gradle.kts b/buildSrc/src/main/kotlin/acra-android-library.gradle.kts
index cc66a37f91..c08f336d06 100644
--- a/buildSrc/src/main/kotlin/acra-android-library.gradle.kts
+++ b/buildSrc/src/main/kotlin/acra-android-library.gradle.kts
@@ -77,7 +77,7 @@ dependencies {
 }
 
 tasks.withType<KotlinCompile> {
-    kotlinOptions {
+    compilerOptions {
         freeCompilerArgs = listOf("-Xjvm-default=all")
     }
 }
diff --git a/buildSrc/src/main/kotlin/acra-release.gradle.kts b/buildSrc/src/main/kotlin/acra-release.gradle.kts
index 5421a7a301..50305d46c5 100644
--- a/buildSrc/src/main/kotlin/acra-release.gradle.kts
+++ b/buildSrc/src/main/kotlin/acra-release.gradle.kts
@@ -38,7 +38,7 @@ tasks.register("publish") {
 
 tasks.register<Delete>("clean") {
     group = "build"
-    delete = setOf(buildDir)
+    delete = setOf(layout.buildDirectory)
 }
 
 nexusPublishing {
diff --git a/examples/acra-basic-java-example/build.gradle.kts b/examples/acra-basic-java-example/build.gradle.kts
index b4026e206d..4c5fe343a4 100644
--- a/examples/acra-basic-java-example/build.gradle.kts
+++ b/examples/acra-basic-java-example/build.gradle.kts
@@ -29,6 +29,9 @@ android {
         sourceCompatibility = JavaVersion.VERSION_1_8
         targetCompatibility = JavaVersion.VERSION_1_8
     }
+    buildFeatures {
+        buildConfig = true
+    }
 }
 
 dependencies {
diff --git a/examples/acra-basic-kotlin-example/build.gradle.kts b/examples/acra-basic-kotlin-example/build.gradle.kts
index 672ba88ec2..dd70ec1596 100644
--- a/examples/acra-basic-kotlin-example/build.gradle.kts
+++ b/examples/acra-basic-kotlin-example/build.gradle.kts
@@ -1,3 +1,5 @@
+import org.jetbrains.kotlin.gradle.dsl.JvmTarget
+
 /*
  * Copyright (c) 2021
  *
@@ -31,6 +33,9 @@ android {
         sourceCompatibility = JavaVersion.VERSION_1_8
         targetCompatibility = JavaVersion.VERSION_1_8
     }
+    buildFeatures {
+        buildConfig = true
+    }
 }
 
 dependencies {
@@ -42,8 +47,8 @@ dependencies {
 }
 
 tasks.withType<org.jetbrains.kotlin.gradle.tasks.KotlinCompile> {
-    kotlinOptions {
-        jvmTarget = "1.8"
+    compilerOptions {
+        jvmTarget.set(JvmTarget.JVM_1_8)
         freeCompilerArgs = listOf("-Xjvm-default=all")
     }
 }