diff --git a/pkgs/development/python-modules/pyerfa/default.nix b/pkgs/development/python-modules/pyerfa/default.nix
index e5bd3e20e5be..d8afee56061f 100644
--- a/pkgs/development/python-modules/pyerfa/default.nix
+++ b/pkgs/development/python-modules/pyerfa/default.nix
@@ -24,6 +24,7 @@ buildPythonPackage rec {
 
   build-system = [
     jinja2
+    numpy
     packaging
     setuptools
     setuptools-scm