diff --git a/requirements/dev.txt b/requirements/dev.txt
index 2fd17cea1f15..9028d60a2cd5 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -1,3 +1,4 @@
 hupper>=0.4.0
 pip-tools>=1.0
 pyramid_debugtoolbar>=2.5
+pygments>=2.7.4 # not directly required, pinned by Snyk to avoid a vulnerability