diff --git a/pyproject.toml b/pyproject.toml
index 53b8485..2567c36 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,7 +17,7 @@ safe-exec = "safe_exec.__main__:main"
 [dependency-groups]
 dev = [
  "prek~=0.2.22",
- "pytest~=8.4.2",
+ "pytest>=8.4.2,<9.1.0",
  "ty~=0.0.2",
 ]