diff --git a/pyproject.toml b/pyproject.toml
index f1d75905e44c790bfa836a5eec2af492b044ab05..91ad8f1a1f8962f31f70fda525147f4069a78758 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,7 +15,7 @@ keywords = [
 ]
 
 classifiers = [
-    "Development Status :: 4 - Beta",
+    "Development Status :: 5 - Production/Stable",
     "Environment :: Console",
     "Intended Audience :: Science/Research",
     "Topic :: Scientific/Engineering :: Chemistry",