diff --git a/requirements.txt b/requirements.txt
index a37e961..ae3b04c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,4 @@
 requests>=2.2.1
 paramiko>=1.12.2
 
+urllib3>=2.6.0 # not directly required, pinned by Snyk to avoid a vulnerability