diff --git a/build.gradle.kts b/build.gradle.kts
index 50d00076..328d498e 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -1,10 +1,26 @@
+/*
+ * Copyright 2019 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
 plugins {
     `kotlin-dsl`
     `maven-publish`
     id("com.gradle.plugin-publish") version "0.10.1"
-    id("com.diffplug.gradle.spotless") version "3.27.0"
+    id("com.github.autostyle") version "3.0"
     id("com.github.johnrengelman.shadow") version "5.2.0"
     id("org.jetbrains.gradle.plugin.idea-ext")
     id("com.github.ben-manes.versions") version "0.27.0"
@@ -41,11 +57,21 @@ repositories {
     jcenter()
 }
 
-val licenseHeaderFile = file("gradle/license-header.txt")
-spotless {
+val licenseHeader = file("gradle/license-header.txt").readText().trimEnd()
+autostyle {
     kotlin {
         ktlint()
-        licenseHeaderFile(licenseHeaderFile)
+        licenseHeader(licenseHeader) {
+            addBlankLineAfter.set(true)
+        }
+        trimTrailingWhitespace()
+    }
+    kotlinGradle {
+        ktlint()
+        licenseHeader(licenseHeader) {
+            addBlankLineAfter.set(true)
+        }
+        trimTrailingWhitespace()
     }
 }
 
@@ -56,7 +82,7 @@ idea {
                 useDefault = "Apache-2.0"
                 profiles {
                     create("Apache-2.0") {
-                        notice = readCopyrightHeader(licenseHeaderFile)
+                        notice = licenseHeader
                         keyword = "Copyright"
                     }
                 }
@@ -209,4 +235,3 @@ publishing {
 tasks.wrapper {
     distributionType = Wrapper.DistributionType.ALL
 }
-
diff --git a/gradle/license-header.txt b/gradle/license-header.txt
index d4b5efcb..3b438ad5 100644
--- a/gradle/license-header.txt
+++ b/gradle/license-header.txt
@@ -1,16 +1,13 @@
-/*
- * Copyright 2019 the original author or authors.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
+Copyright 2019 the original author or authors.
 
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
diff --git a/settings.gradle.kts b/settings.gradle.kts
index 3f9d5cc5..f188e2bc 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2019 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 plugins {
     id("com.gradle.enterprise") version "3.1.1"
 }
diff --git a/src/compatTest/kotlin/io/github/gradlenexus/publishplugin/NexusPublishPluginTests.kt b/src/compatTest/kotlin/io/github/gradlenexus/publishplugin/NexusPublishPluginTests.kt
index 41dc12d3..fe373c37 100644
--- a/src/compatTest/kotlin/io/github/gradlenexus/publishplugin/NexusPublishPluginTests.kt
+++ b/src/compatTest/kotlin/io/github/gradlenexus/publishplugin/NexusPublishPluginTests.kt
@@ -438,7 +438,7 @@ class NexusPublishPluginTests {
         """)
         projectDir.resolve("build.gradle").write("""
             import java.time.Duration
-            
+
             plugins {
                 id('java-library')
                 id('io.github.gradle-nexus.publish-plugin')
@@ -485,7 +485,7 @@ class NexusPublishPluginTests {
         """)
         projectDir.resolve("build.gradle").write("""
             import java.time.Duration
-            
+
             plugins {
                 id('java-library')
                 id('io.github.gradle-nexus.publish-plugin')