diff --git a/Pipfile b/Pipfile
index 64afb22..a60b660 100644
--- a/Pipfile
+++ b/Pipfile
@@ -4,14 +4,15 @@ url = "https://pypi.org/simple"
 verify_ssl = true
 
 [dev-packages]
-pytest = "==7.0.1"
-pylint = "==2.13.9"
-pytest-cov = "==3.0.0"
-twine = "==3.7.1"
-setuptools = "==59.6.0"
-cython = "==0.29.30"
+pytest = "==7.4.0"
+pylint = "==2.17.5"
+pytest-cov = "==4.1.0"
+twine = "==4.0.2"
+setuptools = "==68.0.0"
+cython = "==3.0.0"
 
 [packages]
-wheel = ">=0.37.1"
-pandas = ">=1.1.5"
+wheel = ">=0.41.1,<0.42"
+pandas = ">=1.3.5,<2.0"
+numpy = "<2.0.0"
 scipy = ">=1.5.4"
diff --git a/setup.py b/setup.py
index 0305884..13c48f4 100644
--- a/setup.py
+++ b/setup.py
@@ -2,9 +2,7 @@
 
 import os
 import sys
-from setuptools import find_packages, Command
-from distutils.core import setup
-from distutils.extension import Extension
+from setuptools import find_packages, setup, Command, Extension
 
 # Package meta-data.
 NAME = 'association-measures'