diff --git a/pyproject.toml b/pyproject.toml
index fe75cbf..84657a2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -104,7 +104,7 @@ release = [
   "twine<6",
 ]
 test = [
-  "psutil==5.9.8",
+  "psutil==6.0.0",
   "pytest<9",
   "pytest-cov<6",
 ]