diff --git a/setup.py b/setup.py
index 1b1f59c7..347cb5ba 100644
--- a/setup.py
+++ b/setup.py
@@ -22,26 +22,15 @@ def main():
     build_headless = get_build_env_var_by_name("headless")
     build_java = "ON" if get_build_env_var_by_name("java") else "OFF"
 
-    if sys.version_info[:2] >= (3, 6):
-        minimum_supported_numpy = "1.13.3"
-    if sys.version_info[:2] >= (3, 7):
-        minimum_supported_numpy = "1.14.5"
-    if sys.version_info[:2] >= (3, 8):
-        minimum_supported_numpy = "1.17.3"
-    if sys.version_info[:2] >= (3, 9):
-        minimum_supported_numpy = "1.19.3"
-    if sys.version_info[:2] >= (3, 10):
-        minimum_supported_numpy = "1.21.2"
-
-    # linux arm64 is a special case
-    if sys.platform.startswith("linux") and sys.version_info[:2] >= (3, 6) and platform.machine() == "aarch64":
-        minimum_supported_numpy = "1.19.3"
-
-    # macos arm64 is a special case
-    if sys.platform == "darwin" and sys.version_info[:2] >= (3, 6) and platform.machine() == "arm64":
-        minimum_supported_numpy = "1.21.0"
-
-    numpy_version = "numpy>=%s" % minimum_supported_numpy
+    install_requires = [
+        'numpy>=1.13.3; python_version<"3.7"',
+        'numpy>=1.14.5; python_version>="3.7"',
+        'numpy>=1.17.3; python_version>="3.8"',
+        'numpy>=1.19.3; python_version>="3.9"',
+        'numpy>=1.21.2; python_version>="3.10"',
+        'numpy>=1.19.3; python_version>="3.6" and platform_system=="Linux" and platform_machine=="aarch64"',
+        'numpy>=1.21.2; python_version>="3.6" and platform_system=="Darwin" and platform_machine=="arm64"',
+    ]
 
     python_version = cmaker.CMaker.get_python_version()
     python_lib_path = cmaker.CMaker.get_python_library(python_version).replace(
@@ -257,7 +246,7 @@ def main():
         package_data=package_data,
         maintainer="Olli-Pekka Heinisuo",
         ext_modules=EmptyListWithLength(),
-        install_requires=numpy_version,
+        install_requires=install_requires,
         python_requires=">=3.6",
         classifiers=[
             "Development Status :: 5 - Production/Stable",