diff --git a/pyproject.toml b/pyproject.toml
index 560b5d8..3f64295 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,7 +6,6 @@ authors = [
     { name = "Aarni Koskela", email = "akx@iki.fi" },
 ]
 requires-python = ">=3.9"
-license = "MIT"
 readme = "README.md"
 repository = "https://github.com/bluetooth-devices/ruuvitag-ble"
 documentation = "https://ruuvitag-ble.readthedocs.io"
@@ -16,6 +15,7 @@ classifiers = [
     "Natural Language :: English",
     "Operating System :: OS Independent",
     "Topic :: Software Development :: Libraries",
+    "License :: OSI Approved :: MIT License",
 ]
 packages = [
     { include = "ruuvitag_ble", from = "src" },