diff --git a/pyproject.toml b/pyproject.toml
index 06de322..e14090b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,6 +27,11 @@ classifiers = [
 ]
 authors = [{name = "Qiusheng Wu", email = "giswqs@gmail.com"}]
 
+[project.optional-dependencies]
+all = [
+    "lidar",
+]
+
 [tool]
 [tool.setuptools.packages.find]
 include = ["geospatial*"]
diff --git a/requirements.txt b/requirements.txt
index de889e5..f9d3e31 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -50,7 +50,7 @@ overturemaps
 owslib
 palettable
 panel
-pdal
+# pdal
 planetary-computer
 plotly
 # proplot