diff --git a/pyproject.toml b/pyproject.toml
index 5defdba1..d8abf22c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -40,7 +40,7 @@ tests = [
     "requests==2.32.5",
     "PySide6==6.10.0",
     "ansys-tools-path==0.7.3",
-    "pytest==8.3.5",
+    "pytest==9.0.0",
     "pytest-cov==7.0.0",
     "pytest-qt==4.5.0",
     "setuptools==80.9.0",