diff --git a/pyproject.toml b/pyproject.toml
index 8846457..8f3b94e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -12,7 +12,7 @@ python = "^3.10"
 websockets = "^11.0.3"
 
 [tool.poetry.group.dev.dependencies]
-pytest = "^7.3.1"
+pytest = ">=7.3.1,<9.0.0"
 pytest-asyncio = "^0.21.0"
 coverage = "^7.2.5"