diff --git a/pyproject.toml b/pyproject.toml
index 5b23ee1..798fb58 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,6 +13,7 @@ dependencies = [
 ]
 requires-python = ">=3.12"
 description = "A library to rapidly fetch fetch MLST profiles given sequences for various diseases."
+license = {text = "GPL-3.0-or-later"}
 
 [project.urls]
 Homepage = "https://github.com/Syph-and-VPD-Lab/autoBIGS.engine"