diff --git a/setup.py b/setup.py
index 34439ba..ae8902b 100644
--- a/setup.py
+++ b/setup.py
@@ -9,6 +9,7 @@
     install_requires = [
         'petsc4py',
         'mpi4py',
+        'numpy',
         'pytest', #For testing
         'pylint', #For formatting
         ]
@@ -39,7 +40,7 @@
         "Operating System :: OS Independent",
     ],
     packages=["ngsPETSc", "ngsPETSc.utils"],
-    python_requires = ">=3.10",
+    python_requires = ">=3.9",
     install_requires=install_requires
 
 )