diff --git a/dev-requirements.txt b/dev-requirements.txt
index 75141b26ea8c951ad82a4cae735052f9b54ff9ff..e8f89a3315e5d658e9aa3380bbab4604cf649bf1 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -6,6 +6,7 @@ kgb>=6.1
 Markdown>=3.1.1,<3.1.999; python_version == '2.7'
 Markdown>=3.3.3; python_version >= '3.6'
 mock
+pygments
 pytest~=7.1.2
 pytest-django~=4.5.2
 pytest-env~=0.6.2