diff --git a/setup.py b/setup.py
index 405c8d821dadd457baa8cef08d34c5af71523634..8fd72cd412c325349c610e9a395e2e0fb25583ba 100644
--- a/setup.py
+++ b/setup.py
@@ -35,5 +35,5 @@ setuptools.setup(
         "Operating System :: OS Independent",
     ],
     python_requires=">=3.8.3",
-    install_requires="requirements.txt"),
+    install_requires=["pysolar>=0.10"],
 )