diff --git a/pyproject.toml b/pyproject.toml
index 970faeb..cd6b23b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,7 +22,7 @@ dependencies = [
 ]
 
 [dependency-groups]
-dev = ["djlint", "pytest", "pytest-randomly", "pytest-xdist"]
+dev = ["djlint", "pytest", "pytest-cov", "pytest-randomly", "pytest-xdist"]
 
 [build-system]
 requires = ["poetry-core>=1.0.0"]