diff --git a/pyproject.toml b/pyproject.toml
index c4ce889..4291903 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -36,7 +36,7 @@ dev = ["nox==2025.5.1"]
 "dev.typecheck" = ["mypy==1.17.1"]
 "dev.format" = ["ruff==0.12.11"]
 "dev.slotscheck" = ["slotscheck>=0.19.0, <1"]
-"dev.test" = ["pytest==8.3.5"]
+"dev.test" = ["pytest==8.4.2"]
 
 [tool.flit.module]
 name = "pysel"