diff --git a/setup.py b/setup.py
index 23a21f2..6e5e66d 100644
--- a/setup.py
+++ b/setup.py
@@ -22,7 +22,7 @@
     install_requires=[
         'pymodbus>=2.4.0; python_version == "3.8"',
         'pymodbus>=2.4.0; python_version == "3.9"',
-        'pymodbus>=3.0.2,<3.7.0; python_version >= "3.10"',
+        'pymodbus>=3.0.2,<3.8.0; python_version >= "3.10"',
         'PyYAML',
     ],
     extras_require={