Make toml an extra requirement

1 files changed, 1 insertions, 1 deletions

diff --git a/setup.py b/setup.py
index 84747da..ced9a3b 100644
--- a/setup.py
+++ b/setup.py
@@ -113,8 +113,8 @@ arguments = dict(
         "Topic :: System :: Software Distribution",
         "Topic :: Utilities",
     ],
-    install_requires=["toml"],
     python_requires=">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*",
+    extras_require=dict(toml=["toml"]),
 )
 
 if __name__ == "__main__":