diff --git a/src/main/kotlin/org/jmailen/gradle/kotlinter/tasks/ConfigurableKtLintTask.kt b/src/main/kotlin/org/jmailen/gradle/kotlinter/tasks/ConfigurableKtLintTask.kt
index 2a70418c..94cd2b52 100644
--- a/src/main/kotlin/org/jmailen/gradle/kotlinter/tasks/ConfigurableKtLintTask.kt
+++ b/src/main/kotlin/org/jmailen/gradle/kotlinter/tasks/ConfigurableKtLintTask.kt
@@ -1,13 +1,16 @@
 package org.jmailen.gradle.kotlinter.tasks
 
+import groovy.lang.Closure
+import org.gradle.api.DefaultTask
 import org.gradle.api.file.ConfigurableFileCollection
 import org.gradle.api.file.FileCollection
-import org.gradle.api.file.FileTree
+import org.gradle.api.file.FileTreeElement
 import org.gradle.api.file.ProjectLayout
 import org.gradle.api.model.ObjectFactory
 import org.gradle.api.provider.ListProperty
 import org.gradle.api.provider.MapProperty
 import org.gradle.api.provider.Property
+import org.gradle.api.specs.Spec
 import org.gradle.api.tasks.Classpath
 import org.gradle.api.tasks.IgnoreEmptyDirectories
 import org.gradle.api.tasks.Input
@@ -15,7 +18,9 @@ import org.gradle.api.tasks.InputFiles
 import org.gradle.api.tasks.Internal
 import org.gradle.api.tasks.PathSensitive
 import org.gradle.api.tasks.PathSensitivity
-import org.gradle.api.tasks.SourceTask
+import org.gradle.api.tasks.SkipWhenEmpty
+import org.gradle.api.tasks.util.PatternFilterable
+import org.gradle.api.tasks.util.PatternSet
 import org.gradle.work.FileChange
 import org.gradle.work.Incremental
 import org.gradle.work.InputChanges
@@ -23,11 +28,12 @@ import org.jmailen.gradle.kotlinter.KotlinterExtension.Companion.DEFAULT_DISABLE
 import org.jmailen.gradle.kotlinter.KotlinterExtension.Companion.DEFAULT_EXPERIMENTAL_RULES
 import org.jmailen.gradle.kotlinter.support.KtLintParams
 import org.jmailen.gradle.kotlinter.support.findApplicableEditorConfigFiles
+import java.util.concurrent.Callable
 
 abstract class ConfigurableKtLintTask(
     projectLayout: ProjectLayout,
     objectFactory: ObjectFactory,
-) : SourceTask() {
+) : DefaultTask(), PatternFilterable {
 
     @Input
     val experimentalRules: Property<Boolean> = objectFactory.property(default = DEFAULT_EXPERIMENTAL_RULES)
@@ -51,24 +57,22 @@ abstract class ConfigurableKtLintTask(
     @Classpath
     val ruleSetsClasspath: ConfigurableFileCollection = objectFactory.fileCollection()
 
-    @Internal
-    val sourceFiles = project.objects.fileCollection()
+    private val allSourceFiles = project.objects.fileCollection()
+
+    @get:Internal
+    internal val patternFilterable: PatternFilterable = PatternSet()
 
     @SkipWhenEmpty // Marks the input incremental: https://github.com/gradle/gradle/issues/17593
     @InputFiles
     @PathSensitive(PathSensitivity.RELATIVE)
     @IgnoreEmptyDirectories
-    val source = objectFactory.fileCollection().from({ sourceFiles.asFileTree.matching(patternSet) })
-
-    override fun source(vararg sources: Any?): SourceTask {
-        sourceFiles.setFrom(*sources)
-        return this
-    }
+    val source: FileCollection = objectFactory.fileCollection()
+        .from(Callable { allSourceFiles.asFileTree.matching(patternFilterable) })
 
-    override fun getSource(): FileTree = source.asFileTree
+    fun source(vararg sources: Any?) = also { allSourceFiles.setFrom(*sources) }
 
-    override fun setSource(source: Any) {
-        sourceFiles.from(source)
+    fun setSource(source: Any) {
+        allSourceFiles.setFrom(source)
     }
 
     @Internal
@@ -76,6 +80,23 @@ abstract class ConfigurableKtLintTask(
         experimentalRules = experimentalRules.get(),
         disabledRules = disabledRules.get(),
     )
+
+    @Internal
+    override fun getIncludes(): MutableSet<String> = patternFilterable.includes
+
+    @Internal
+    override fun getExcludes(): MutableSet<String> = patternFilterable.excludes
+
+    override fun setIncludes(includes: MutableIterable<String>) = also { patternFilterable.setIncludes(includes) }
+    override fun setExcludes(excludes: MutableIterable<String>) = also { patternFilterable.setExcludes(excludes) }
+    override fun include(vararg includes: String?) = also { patternFilterable.include(*includes) }
+    override fun include(includes: MutableIterable<String>) = also { patternFilterable.include(includes) }
+    override fun include(includeSpec: Spec<FileTreeElement>) = also { patternFilterable.include(includeSpec) }
+    override fun include(includeSpec: Closure<*>) = also { patternFilterable.include(includeSpec) }
+    override fun exclude(vararg excludes: String?) = also { patternFilterable.exclude(*excludes) }
+    override fun exclude(excludes: MutableIterable<String>) = also { patternFilterable.exclude(excludes) }
+    override fun exclude(excludeSpec: Spec<FileTreeElement>) = also { patternFilterable.exclude(excludeSpec) }
+    override fun exclude(excludeSpec: Closure<*>) = also { patternFilterable.exclude(excludeSpec) }
 }
 
 internal inline fun <reified T> ObjectFactory.property(default: T? = null): Property<T> =