diff --git a/requirements.txt b/requirements.txt
index e19851d..f6fee26 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,3 @@
 twilio==6.11.0
-python-dotenv
\ No newline at end of file
+python-dotenv
+urllib3>=2.2.2 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file