diff --git a/requirements_edgar.txt b/requirements_edgar.txt
index 4a6b1f1..45efff3 100644
--- a/requirements_edgar.txt
+++ b/requirements_edgar.txt
@@ -2,4 +2,5 @@ numpy
 six
 tornado
 pyparsing
-matplotlib
\ No newline at end of file
+matplotlib
+fonttools>=4.61.0 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file