diff --git a/requirements-dev.txt b/requirements-dev.txt
index 2d1d7df1ef..7a56630fdf 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -7,3 +7,4 @@ sphinx>=1.6
 sphinx-intl
 tabulate
 transifex-client
+pygments>=2.7.4 # not directly required, pinned by Snyk to avoid a vulnerability