diff --git a/requirements.txt b/requirements.txt
index 95d4622..ab0b717 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,7 +17,7 @@ pandas==2.3.0
 pendulum==3.1.0
 platformdirs==4.3.8
 psutil==7.0.0
-pvlib==0.12.0
+pvlib==0.13.0
 pydantic==2.11.7
 statsmodels==0.14.4
 pydantic-settings==2.9.1