diff --git a/focus-gradle-plugin/src/main/kotlin/com/dropbox/focus/ClearFocusTask.kt b/focus-gradle-plugin/src/main/kotlin/com/dropbox/focus/ClearFocusTask.kt
index e8a90b3..70f32e2 100644
--- a/focus-gradle-plugin/src/main/kotlin/com/dropbox/focus/ClearFocusTask.kt
+++ b/focus-gradle-plugin/src/main/kotlin/com/dropbox/focus/ClearFocusTask.kt
@@ -6,12 +6,16 @@ import org.gradle.api.file.RegularFileProperty
 import org.gradle.api.provider.Provider
 import org.gradle.api.tasks.CacheableTask
 import org.gradle.api.tasks.Input
+import org.gradle.api.tasks.InputFile
+import org.gradle.api.tasks.PathSensitive
+import org.gradle.api.tasks.PathSensitivity
 import org.gradle.api.tasks.TaskAction
 
 @CacheableTask
 public abstract class ClearFocusTask : DefaultTask() {
 
-  @get:Input
+  @get:PathSensitive(PathSensitivity.RELATIVE)
+  @get:InputFile
   public abstract val focusFile: RegularFileProperty
 
   @TaskAction