diff --git a/{{cookiecutter.repo_name}}/pyproject.toml b/{{cookiecutter.repo_name}}/pyproject.toml
index 712cb9d..585bf9c 100644
--- a/{{cookiecutter.repo_name}}/pyproject.toml
+++ b/{{cookiecutter.repo_name}}/pyproject.toml
@@ -11,7 +11,7 @@ dev = [
     "build~=1.0",
     "pre-commit~=4.0",
     "pyright==1.1.407",
-    "pytest~=8.0",
+    "pytest~=9.0",
     "ruff~=0.14.3",
     "twine~=6.1",
 ]