diff --git a/requirements.txt b/requirements.txt
index c2104fb9..12d20d1d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ category-encoders==2.5.*
 numpy>=1.17.2
 pandas>=1.1.5
 scikit-learn>=1.0.0
-pytorch-lightning==1.8.*
+pytorch-lightning==1.9.*
 omegaconf>=2.0.1
 torchmetrics==0.11.*
 tensorboard>=2.2.0, !=2.5.0