diff --git a/boxtree/area_query.py b/boxtree/area_query.py
index a5ebdca20f178531bbe0fab095f322ceaf0941f6..66ace90e028f4bc7c038425af1c9d397d0cd83fd 100644
--- a/boxtree/area_query.py
+++ b/boxtree/area_query.py
@@ -28,6 +28,7 @@ THE SOFTWARE.
 
 import numpy as np
 import pyopencl as cl
+import pyopencl.cltypes  # noqa
 import pyopencl.array  # noqa
 from mako.template import Template
 from boxtree.tools import AXIS_NAMES, DeviceDataRecord
@@ -540,7 +541,7 @@ class AreaQueryElementwiseTemplate(object):
             ("box_id_dtype", box_id_dtype),
             ("particle_id_dtype", None),
             ("coord_dtype", coord_dtype),
-            ("vec_types", tuple(cl.array.vec.types.items())),
+            ("vec_types", tuple(cl.cltypes.vec_types.items())),
             ("max_levels", max_levels),
             ("AXIS_NAMES", AXIS_NAMES),
             ("box_flags_enum", box_flags_enum),
@@ -654,7 +655,7 @@ class AreaQueryBuilder(object):
             box_id_dtype=box_id_dtype,
             particle_id_dtype=None,
             coord_dtype=coord_dtype,
-            vec_types=cl.array.vec.types,
+            vec_types=cl.cltypes.vec_types,
             max_levels=max_levels,
             AXIS_NAMES=AXIS_NAMES,
             box_flags_enum=box_flags_enum,
@@ -1058,7 +1059,7 @@ class PeerListFinder(object):
             box_id_dtype=box_id_dtype,
             particle_id_dtype=None,
             coord_dtype=coord_dtype,
-            vec_types=cl.array.vec.types,
+            vec_types=cl.cltypes.vec_types,
             max_levels=max_levels,
             AXIS_NAMES=AXIS_NAMES,
             box_flags_enum=box_flags_enum,
diff --git a/boxtree/traversal.py b/boxtree/traversal.py
index f55310d4f25d4b57d85e4de90f2a68915520b218..4f734e0f61eb2a3b78645f001fcc8dea2e5d48f1 100644
--- a/boxtree/traversal.py
+++ b/boxtree/traversal.py
@@ -26,6 +26,7 @@ import numpy as np
 from pytools import Record, memoize_method, memoize_in
 import pyopencl as cl
 import pyopencl.array  # noqa
+import pyopencl.cltypes  # noqa
 from pyopencl.elementwise import ElementwiseTemplate
 from mako.template import Template
 from boxtree.tools import AXIS_NAMES, DeviceDataRecord
@@ -1163,7 +1164,7 @@ class FMMTraversalBuilder:
                 box_id_dtype=box_id_dtype,
                 box_flags_enum=box_flags_enum,
                 coord_dtype=coord_dtype,
-                vec_types=cl.array.vec.types,
+                vec_types=cl.cltypes.vec_types,
                 max_levels=max_levels,
                 AXIS_NAMES=AXIS_NAMES,
                 debug=debug,
diff --git a/boxtree/tree_build_kernels.py b/boxtree/tree_build_kernels.py
index b2468993689c75a8f0d8e336e89b3d4becbed051..2d8bb9ad7ee70395623d8dc89a792219ef09a028 100644
--- a/boxtree/tree_build_kernels.py
+++ b/boxtree/tree_build_kernels.py
@@ -1254,7 +1254,7 @@ def get_tree_build_kernel_info(context, dimensions, coord_dtype,
                 "incorrect results.", stacklevel=4)
 
     from pyopencl.tools import dtype_to_c_struct, dtype_to_ctype
-    coord_vec_dtype = cl.array.vec.types[coord_dtype, dimensions]
+    coord_vec_dtype = cl.cltypes.vec_types[coord_dtype, dimensions]
 
     particle_id_dtype = np.dtype(particle_id_dtype)
     box_id_dtype = np.dtype(box_id_dtype)