diff --git a/external_requirements.txt b/external_requirements.txt
index 7aed54e..c6bf42c 100644
--- a/external_requirements.txt
+++ b/external_requirements.txt
@@ -2,4 +2,5 @@ boto3==1.4.5
 jsonpickle==0.9.3
 enum==0.4.6
 pycrypto==2.6.1
-retrying==1.3.3
\ No newline at end of file
+retrying==1.3.3
+setuptools>=65.5.1 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file