diff --git a/requirements.txt b/requirements.txt
index 9ff1955f..e2cbc39f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ boto3>=1.26.0, <1.33.8
 requests>=2.31.0, <2.31.1
 sagemaker>=2.112.0, <2.199.1
 syne-tune[aws,gpsearchers]>=0.6.0, <0.10.1
-pytorch-lightning>=1.8.0, <1.9.5
+pytorch-lightning>=1.8.0, <2.2.6
 Pillow>=9.0, <10.1.1
 tabulate>=0.9.0, <0.9.1
 tensorboardX>=2.5.0, <2.6.3