diff --git a/pyproject.toml b/pyproject.toml
index b36078d..dac4ced 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -40,7 +40,7 @@ Donation = 'https://opencollective.com/courtbouillon'
 
 [project.optional-dependencies]
 doc = ['sphinx', 'sphinx_rtd_theme']
-test = ['pytest', 'pytest-cov', 'pytest-flake8', 'pytest-isort', 'coverage[toml]']
+test = ['pytest', 'pytest-cov', 'pytest-flake8', 'pytest-isort']
 
 [tool.flit.sdist]
 exclude = ['.*']