diff --git a/build.gradle b/build.gradle
--- a/build.gradle
+++ b/build.gradle
@@ -254,10 +254,15 @@ task _packageMeta(type: Copy) {
 }
 
 task pack(dependsOn: [build, _packageMeta], type: Exec) {
+    def packageFile = "$npmScope-$npmName-${version}.tgz"
     workingDir distDir
-    outputs.file("$npmScope-$npmName-${version}.tgz")
+    outputs.file("$buildDir/$packageFile")
 
     commandLine 'npm', 'pack'
+    doLast {
+        ant.move file: "$distDir/$packageFile",
+                 todir: buildDir
+    }
 }
 
 task publish(dependsOn: [build, _packageMeta], type: Exec) {