diff --git a/requirements-dev.txt b/requirements-dev.txt
index 2b972fbb8..5175251aa 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -6,3 +6,4 @@ twine==1.15.0
 tox==3.14.3
 sqlalchemy==1.3.13
 sqlparse==0.3.0
+pygments>=2.7.4 # not directly required, pinned by Snyk to avoid a vulnerability