diff --git a/asv.conf.base.json b/asv.conf.base.json
index a5a545a..2b72eb2 100644
--- a/asv.conf.base.json
+++ b/asv.conf.base.json
@@ -7,7 +7,7 @@
     "environment_type": "conda",
     "matrix": {
         "req": {
-            "numpy": ["", null],
+            "numpy": [""],
         },
     },
     "env_dir": ".asv/env",
diff --git a/benchmarks/benchmarks.py b/benchmarks/benchmarks.py
index 858326f..f8430fa 100644
--- a/benchmarks/benchmarks.py
+++ b/benchmarks/benchmarks.py
@@ -1,18 +1,38 @@
-from asv_samples.benchme import add_arr
+import numpy as np
+from asv_runner.benchmarks.mark import parameterize, SkipNotImplemented
+from asv_samples.benchme import NUMPY_AVAILABLE
 
+if not NUMPY_AVAILABLE:
+    raise SkipNotImplemented("Can't run without NumPy")
 
-class TimeSuite:
-    """
-    Benchmark that times various operations, including custom summation of
-    lists.
-    """
+@parameterize({"n":[10, 100]})
+def time_sort(n):
+    np.sort(np.random.rand(n))
 
-    def setup(self):
-        self.list1 = [i for i in range(500)]
-        self.list2 = [i for i in range(500, 1000)]
+@parameterize({'n': [10, 100], 'func_name': ['range', 'arange']})
+def time_ranges_multi(n, func_name):
+    f = {'range': range, 'arange': np.arange}[func_name]
+    for i in f(n):
+        pass
 
-    def time_add_arr(self):
-        """
-        Time the add_arr function with two lists of numbers.
-        """
-        add_arr(self.list1, self.list2)
+@parameterize({"size": [10, 100, 200]})
+class TimeSuiteDecoratorSingle:
+    def setup(self, size):
+        self.d = {}
+        for x in range(size):
+            self.d[x] = None
+
+    def time_keys(self, size):
+        for key in self.d.keys():
+            pass
+
+    def time_values(self, size):
+        for value in self.d.values():
+            pass
+
+@parameterize({'n': [10, 100], 'func_name': ['range', 'arange']})
+class TimeSuiteMultiDecorator:
+    def time_ranges(self, n, func_name):
+        f = {'range': range, 'arange': np.arange}[func_name]
+        for i in f(n):
+            pass
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..54a908c
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,22 @@
+[build-system]
+build-backend = "hatchling.build"
+requires      = [ "hatch-vcs", "hatchling" ]
+
+[tool.hatch.build.hooks.vcs]
+version-file = "_version.py"
+
+[tool.hatch.build]
+include = [ "asv_samples/**/*.py", "asv_samples/*.py" ]
+
+[project]
+name = "asv_samples"
+version = "0.1.0"
+description = "A set of asv samples"
+authors = [
+    {name = "Rohit Goswami", email = "rgoswami@ieee.org"},
+]
+license = {file = "LICENSE"}
+readme = "readme.md"
+
+[project.urls]
+repository = "https://github.com/HaoZeke/asv_samples"