diff --git a/setup.cfg b/setup.cfg
index ec6eac51d29478e7c6b947d80570743bf10f1cb6..a5f14ce9850c9a66aed22f1badda8aa2ba6a4836 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -7,7 +7,7 @@ author = The DNADNA Developers
 maintainer_email = embray@lri.fr
 url = https://gitlab.com/mlgenetics/dnadna
 classifiers =
-    Development Status :: 3 - Alpha
+    Development Status :: 5 - Production/Stable
     Environment :: Console
     Environment :: GPU :: NVIDIA CUDA
     Intended Audience :: Science/Research
@@ -16,7 +16,7 @@ classifiers =
 
 
 [options]
-python_requires = >= 3.6
+python_requires = >= 3.7
 packages = find:
 
 # Note: In practice this install_requires may be more flexible; this just