diff --git a/requirements.txt b/requirements.txt
index b8b6f53..d8593f5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -26,3 +26,4 @@ wsgi-request-logger==0.4.5
 zappa==0.20.2
 wheel>=0.38.0 # not directly required, pinned by Snyk to avoid a vulnerability
 urllib3>=1.26.5 # not directly required, pinned by Snyk to avoid a vulnerability
+idna>=3.7 # not directly required, pinned by Snyk to avoid a vulnerability