diff --git a/test-requirements.txt b/test-requirements.txt
index fc04f07..7c89bce 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -8,3 +8,4 @@ mock
 sphinx
 sphinx_rtd_theme
 setuptools>=78.1.1 # not directly required, pinned by Snyk to avoid a vulnerability
+pygments>=2.20.0 # not directly required, pinned by Snyk to avoid a vulnerability