diff --git a/setup.py b/setup.py
index db8db30..9f4b122 100755
--- a/setup.py
+++ b/setup.py
@@ -29,9 +29,9 @@ setup(
     ],
     keywords='vfio cpu isolation',
     install_requires=[
-        'click~=7.1.2',
-        'psutil~=5.7.0',
-        'parsimonious~=0.8.1',
+        'click',
+        'psutil',
+        'parsimonious',
     ],
     packages=find_packages(),
     python_requires='>=3.6, <4',