diff --git a/packages/ewah_bool_utils/meta.yaml b/packages/ewah_bool_utils/meta.yaml
index d9de52c06..97fd5e8a7 100644
--- a/packages/ewah_bool_utils/meta.yaml
+++ b/packages/ewah_bool_utils/meta.yaml
@@ -6,6 +6,9 @@ package:
 source:
   url: https://files.pythonhosted.org/packages/24/d7/563d81001ca82d3d5be28409ffb02f7eb12fb5de123c778598ea072f0d5d/ewah_bool_utils-1.1.0.tar.gz
   sha256: 7050b5a25f4df14f05f8898fd9e797cd0a0f7103207c618e0467a450d3dee987
+requirements:
+  host:
+    - numpy
 about:
   home: ""
   PyPI: https://pypi.org/project/ewah_bool_utils