diff --git a/conda.recipe/meta.yaml b/conda.recipe/meta.yaml
index e0ff66a..d9b55ac 100644
--- a/conda.recipe/meta.yaml
+++ b/conda.recipe/meta.yaml
@@ -22,6 +22,7 @@ requirements:
 
   run:
     - python
+    - numpy
 
 
 test:
diff --git a/pyproject.toml b/pyproject.toml
index 69635a9..c012c75 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,5 +1,5 @@
 [build-system]
-requires = ["scikit-build-core>=0.3.3", "pybind11", "numpy"]
+requires = ["scikit-build-core>=0.3.3", "pybind11"]
 build-backend = "scikit_build_core.build"
 
 
@@ -22,6 +22,7 @@ classifiers = [
   "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
 ]
+dependencies = ["numpy]
 
 [project.optional-dependencies]
 test = ["pytest"]