diff --git a/pyproject.toml b/pyproject.toml
index ec64a3285..f4afa7214 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -71,7 +71,7 @@ addopts = "--assert=plain --cov=gunicorn --cov-report=xml"
 [tool.setuptools]
 zip-safe = false
 include-package-data = true
-license-files = ["['LICENSE']"]
+license-files = ["LICENSE"]
 
 [tool.setuptools.packages]
 find = {namespaces = false}