diff --git a/setup.py b/setup.py
index 8713cc5..2f7516d 100644
--- a/setup.py
+++ b/setup.py
@@ -21,6 +21,6 @@
     author_email="rcloran@gmail.com",
     license="GPL-3.0",
     packages=find_packages(exclude=["*.tests"]),
-    install_requires=["pyserial-asyncio", "zigpy>= 0.23.0"],
+    install_requires=["pyserial>=3.5", "pyserial-asyncio>=0.5", "zigpy>= 0.23.0"],
     tests_require=["pytest"],
 )