diff --git a/postmark/py.typed b/postmark/py.typed
new file mode 100644
index 0000000..e69de29
diff --git a/pyproject.toml b/pyproject.toml
index c01b3f2..2758ee3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,8 +17,11 @@ classifiers = [
     "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",
     "Topic :: Communications :: Email",
     "Topic :: Software Development :: Libraries :: Python Modules",
+    "Typing :: Typed",
 ]
 
 [tool.poetry.urls]