diff --git a/setup.py b/setup.py
index 0b599e9b7..6d74fa58c 100644
--- a/setup.py
+++ b/setup.py
@@ -12,8 +12,8 @@
     'colorcet',
     'dask',
     'multipledispatch',
-    'numba',
-    'numpy',
+    'numba ==0.60.0rc1',
+    'numpy ==2.0.0rc2',
     'pandas',
     'param',
     'pillow',