diff --git a/pyproject.toml b/pyproject.toml
index d858d1e..47906d5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,6 +10,15 @@ dependencies = [
     "pyyaml",
 ]
 dynamic = ["version"]
+classifiers = [
+  "Development Status :: 5 - Production/Stable",
+  "Programming Language :: Python :: 3.8",
+  "Programming Language :: Python :: 3.9",
+  "Programming Language :: Python :: 3.10",
+  "Programming Language :: Python :: 3.11",
+  "Topic :: Security",
+  "License :: OSI Approved :: Apache Software License",
+]
 
 [project.scripts]
 security-constraints = "security_constraints.main:main"