diff --git a/requirements.txt b/requirements.txt
index 70358fc..055f6e2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,5 +15,5 @@ scikit-learn==0.24.2
 pandas==2.0.3
 webdataset==0.2.57
 pytorch-lightning==1.2.9
-numpy==1.23.1
+numpy==1.19.1
 protobuf==3.20.0