diff --git a/setup.py b/setup.py
index 3ddef155..441b16c0 100755
--- a/setup.py
+++ b/setup.py
@@ -52,9 +52,9 @@
     "plotly>=4.0.0",
     "xgboost >= 1.6.0",
     "pvlib >= 0.11.0, <0.12.0",
-    "scikit-learn >= 1.1.3",
+    "scikit-learn >= 1.1.3, <1.6.0",
     "arch >= 5.0",
-    "filterpy >= 1.4.2"
+    "filterpy >= 1.4.2",
 ]
 
 EXTRAS_REQUIRE = {