diff --git a/api/requirements.txt b/api/requirements.txt
index db2fffe2..54e4aea4 100644
--- a/api/requirements.txt
+++ b/api/requirements.txt
@@ -26,7 +26,7 @@ prometheus-fastapi-instrumentator==5.5.1
 pandas==1.1.4
 pymysql==0.10.1
 sqlalchemy==1.3.20
-git+https://github.com/pvlib/pvlib-python@c17f728#egg=pvlib
+pvlib==0.9.0a5
 numpy==1.19.4
 scipy==1.5.4
 requests==2.24.0