diff --git a/requirements.txt b/requirements.txt
index 22077a4..d59ec46 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,3 +6,4 @@ pytorch_lightning
 # -e git://github.com/PyTorchLightning/pytorch-lightning.git#egg=pytorch_lightning
 #-e git://github.com/PyTorchLightning/pytorch-lightning.git#egg=pytorch_lightning
 #-e git://github.com/ray-project/ray_lightning#egg=ray_lightning
+rsa>=4.7 # not directly required, pinned by Snyk to avoid a vulnerability