diff --git a/setup.cfg b/setup.cfg
index b9883bae..4ee8ae64 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -12,7 +12,7 @@ project_urls =
     Documentation = https://gnpy.readthedocs.io/
 python-requires = >=3.6
 classifier =
-    Development Status :: 3 - Alpha
+    Development Status :: 5 - Production/Stable
     Intended Audience :: Developers
     Intended Audience :: Science/Research
     Intended Audience :: Telecommunications Industry