diff --git a/pyproject.toml b/pyproject.toml
index e2dfff1912a..8d4ad14f79f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -110,7 +110,7 @@ dev = [
     "pytest-snapshot",
     "pytest-timeout",
     "pytest-xdist",
-    "pytest>6",
+    "pytest>6,<8.1.0",
     "resfo",
     "scikit-learn",
     "sphinx",