diff --git a/pyproject.toml b/pyproject.toml
index 6b3f2cc..70e799e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,7 +29,7 @@ sphinx_rtd_theme = ">=1.0,<2.1"
 [tool.poetry.group.dev.dependencies]
 coverage = {extras = ["toml"], version = ">=5.1,<8.0"}
 ipdb = ">=0.13.9"
-pytest = "^7.1.2"
+pytest = ">=7.1.2,<9.0.0"
 pytest-cov = ">=3,<6"
 pytest-mock = "^3.7.0"
 pyright = "^1.1.273"