diff --git a/requirements.txt b/requirements.txt
index 56f6257..1500969 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,3 +3,5 @@ boto3
 requests
 matplotlib
 numpy
+fonttools>=4.61.0 # not directly required, pinned by Snyk to avoid a vulnerability
+urllib3>=2.6.0 # not directly required, pinned by Snyk to avoid a vulnerability