diff --git a/setup.py b/setup.py
index 09003bf..8e2f22a 100755
--- a/setup.py
+++ b/setup.py
@@ -29,8 +29,8 @@ NUMPY_MIN_VERSIONS = [
     # Numpy    Python
     ('1.12',   "=='3.6'"),
     ('1.14.5', "=='3.7'"),
-    ('1.17.5', "=='3.8'"),
-    ('1.19.3', ">='3.9'"),
+    ('1.16.0', "=='3.8'"),
+    ('1.19.0', ">='3.9'"),
 ]
 
 # these are required to use h5py