diff --git a/setup.py b/setup.py
index 204ec9c..f28820e 100755
--- a/setup.py
+++ b/setup.py
@@ -26,6 +26,7 @@ setup(
     install_requires=[
         'scipy',
         'numpy',
+        'numba',
         'astropy',
         'pyshtools',
         'tqdm',