diff --git a/pyproject.toml b/pyproject.toml
index 47c255e39..9846f3caf 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -99,7 +99,7 @@ name = "matrix-synapse"
 version = "1.96.1"
 description = "Homeserver for the Matrix decentralised comms protocol"
 authors = ["Matrix.org Team and Contributors <packages@matrix.org>"]
-license = "Apache-2.0"
+license = "AGPL-3.0-or-later"
 readme = "README.rst"
 repository = "https://github.com/matrix-org/synapse"
 packages = [