diff --git a/pyproject.toml b/pyproject.toml
index ab83b99f8..8252d0a67 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -59,7 +59,7 @@ full = [
 ]
 
 # Dependencies for running the test infrastructure
-test = ["mne_bids[full]", "pytest", "pytest-cov", "pytest-sugar", "ruff"]
+test = ["mne_bids[full]", "pytest < 8", "pytest-cov", "pytest-sugar", "ruff"]
 
 # Dependencies for building the documentation
 doc = [