diff --git a/pyproject.toml b/pyproject.toml
index 09bef856e..5a66d39b5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -14,7 +14,16 @@ keywords = [
     "ELT",
 ]
 classifiers = [
+    "Intended Audience :: Developers",
+    "License :: OSI Approved :: Apache Software License",
+    "Operating System :: OS Independent",
+    "Programming Language :: Python :: 3.7",
+    "Programming Language :: Python :: 3.8",
+    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: Implementation :: CPython",
     "Topic :: Software Development :: Libraries :: Application Frameworks",
+    "Typing :: Typed",
 ]
 license = "Apache 2.0"