diff --git a/pyproject.toml b/pyproject.toml
index 9a4fcdb..b042c5d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -14,7 +14,7 @@ dependencies = ["specklepy==3.1.0"]
 [project.optional-dependencies]
 dev = [
     "mypy==1.13.0",
-    "pytest==7.4.4",
+    "pytest==9.0.2",
     "ruff==0.11.12",
 ]