diff --git a/conda-recipe/meta.yaml b/conda-recipe/meta.yaml
index 72f3300..a59cd15 100644
--- a/conda-recipe/meta.yaml
+++ b/conda-recipe/meta.yaml
@@ -15,6 +15,7 @@ requirements:
   build:
     - python
     - {{ compiler('cxx') }}
+    - numpy >=2.0.0
 
   host:
     - cmake
@@ -27,11 +28,11 @@ requirements:
     - zeromq
     - nlohmann_json
     - catch2
-    - numpy
+    - numpy >=2.0.0
 
   run:
     - python
-    - numpy
+    - numpy >=2.0.0
 
 
 test:
diff --git a/pyproject.toml b/pyproject.toml
index 7cbf1c7..b75ed03 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,5 +1,5 @@
 [build-system]
-requires = ["scikit-build-core>=0.10", "pybind11"]
+requires = ["scikit-build-core>=0.10", "pybind11", "numpy"]
 build-backend = "scikit_build_core.build"
 
 [project]