diff --git a/requirements.txt b/requirements.txt
index 049b444..a1d248b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,4 @@
 fastai==1.0.51
 tensorflow==1.15.0
 tf_encrypted>=0.5.4<=0.5.5
+wheel>=0.38.0 # not directly required, pinned by Snyk to avoid a vulnerability