diff --git a/setup.py b/setup.py
index 2e85671..3964f66 100644
--- a/setup.py
+++ b/setup.py
@@ -14,8 +14,8 @@
       version='0.18.1',
       url="https://github.com/Venafi/vcert-python",
       packages=['vcert', 'vcert.parser', 'vcert.policy'],
-      install_requires=['requests==2.32.4', 'python-dateutil==2.8.2', 'six==1.17.0',
-                        'cryptography==45.0.7', 'ruamel.yaml==0.18.13', 'pynacl==1.5.0'],
+      install_requires=['requests>=2.32.4,<3', 'python-dateutil>=2.8.2,<3', 'six>=1.17.0,<2',
+                        'cryptography>=45.0.7,<47', 'ruamel.yaml>=0.18.13,<0.19', 'pynacl>=1.5.0,<2'],
       description='Python client library for CyberArk Certificate Manager, Self-Hosted and CyberArk Certificate Manager, SaaS.',
       long_description=long_description,
       long_description_content_type="text/markdown",