diff --git a/pybind11/tests/requirements.txt b/pybind11/tests/requirements.txt
index 39bd57a..2500fb6 100644
--- a/pybind11/tests/requirements.txt
+++ b/pybind11/tests/requirements.txt
@@ -1,6 +1,6 @@
 --extra-index-url https://antocuni.github.io/pypy-wheels/manylinux2010/
 numpy==1.16.6; python_version<"3.6"
-numpy==1.18.0; platform_python_implementation=="PyPy" and sys_platform=="darwin" and python_version>="3.6"
+numpy==1.21.0; platform_python_implementation=="PyPy" and sys_platform=="darwin" and python_version>="3.6"
 numpy==1.19.1; (platform_python_implementation!="PyPy" or sys_platform!="darwin") and python_version>="3.6" and python_version<"3.9"
 pytest==4.6.9; python_version<"3.5"
 pytest==5.4.3; python_version>="3.5"