diff --git a/packages/leann-backend-diskann/pyproject.toml b/packages/leann-backend-diskann/pyproject.toml
index f23bf67..8f02feb 100644
--- a/packages/leann-backend-diskann/pyproject.toml
+++ b/packages/leann-backend-diskann/pyproject.toml
@@ -16,4 +16,4 @@ wheel.packages = ["leann_backend_diskann"]
 editable.mode = "redirect"
 cmake.build-type = "Release"
 build.verbose = true
-cmake.build-args = ["-j"]
\ No newline at end of file
+build.tool-args = ["-j8"]
\ No newline at end of file
diff --git a/packages/leann-backend-hnsw/pyproject.toml b/packages/leann-backend-hnsw/pyproject.toml
index b68782f..12df4d6 100644
--- a/packages/leann-backend-hnsw/pyproject.toml
+++ b/packages/leann-backend-hnsw/pyproject.toml
@@ -15,4 +15,4 @@ wheel.packages = ["leann_backend_hnsw"]
 editable.mode = "redirect"
 cmake.build-type = "Release"
 build.verbose = true
-cmake.build-args = ["-j"]
\ No newline at end of file
+build.tool-args = ["-j8"]
\ No newline at end of file