diff --git a/pyproject.toml b/pyproject.toml
index 4010f45..57bf20c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "rasters"
-version = "1.5.1"
+version = "1.5.2"
 description = "raster processing toolkit"
 readme = "README.md"
 authors = [
diff --git a/rasters/raster.py b/rasters/raster.py
index 4faeb8f..a3d7115 100644
--- a/rasters/raster.py
+++ b/rasters/raster.py
@@ -33,6 +33,7 @@
 from .raster_grid import RasterGrid
 from .where import where
 from .wrap_geometry import wrap_geometry
+from .kdtree import KDTree
 
 if TYPE_CHECKING:
     from .CRS import CRS
diff --git a/rasters/version.txt b/rasters/version.txt
index 26ca594..4cda8f1 100644
--- a/rasters/version.txt
+++ b/rasters/version.txt
@@ -1 +1 @@
-1.5.1
+1.5.2