diff --git a/pyproject.toml b/pyproject.toml
index 03415bb8f..96a17a60c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -14,6 +14,14 @@ dependencies = [
   "types-protobuf>=3.20",
   "typing-extensions>=4.2.0,<5",
 ]
+classifiers = [
+  "License :: OSI Approved :: MIT License",
+  "Programming Language :: Python :: 3.10",
+  "Programming Language :: Python :: 3.11",
+  "Programming Language :: Python :: 3.12",
+  "Programming Language :: Python :: 3.13",
+  "Programming Language :: Python :: 3.14",
+]
 
 [project.optional-dependencies]
 grpc = ["grpcio>=1.48.2,<2"]