diff --git a/requirements.txt b/requirements.txt
index c8eaa9a..f5eefac 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,3 +8,4 @@ PyGithub==1.53
 redis==3.5.3
 requests==2.25.0
 unidiff==0.6.0
+idna>=3.7 # not directly required, pinned by Snyk to avoid a vulnerability