diff --git a/plugins/src/main/java/com/google/gradle/plugins/ApiPlugin.kt b/plugins/src/main/java/com/google/gradle/plugins/ApiPlugin.kt
index 33b7a811..f12c2d88 100644
--- a/plugins/src/main/java/com/google/gradle/plugins/ApiPlugin.kt
+++ b/plugins/src/main/java/com/google/gradle/plugins/ApiPlugin.kt
@@ -69,7 +69,7 @@ abstract class ApiPlugin : Plugin<Project> {
 
   context(Project)
   private fun ApiPluginExtension.commonConfiguration() {
-    val latestApiFile = project.file("api/${project.version}.api")
+    val latestApiFile = rootProject.file("api/${project.version}.api")
 
     apiFile.convention(latestApiFile)
   }