diff --git a/MANIFEST.in b/MANIFEST.in
deleted file mode 100644
index 1aba38f6..00000000
--- a/MANIFEST.in
+++ /dev/null
@@ -1 +0,0 @@
-include LICENSE
diff --git a/setup.cfg b/setup.cfg
index 3cd04ed6..a1320417 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -9,6 +9,7 @@ description = Real-time dashboard for Optuna.
 long_description = file: README.md
 long_description_content_type = text/markdown
 license = MIT License
+license_file = LICENSE
 classifiers =
     Development Status :: 3 - Alpha
     Intended Audience :: Developers