diff --git a/requirements.txt b/requirements.txt
index 49dc4197af..f1247470d0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,3 +17,4 @@ attrdict
 setuptools
 librosa
 soundfile
+fonttools>=4.61.0 # not directly required, pinned by Snyk to avoid a vulnerability