diff --git a/setup.py b/setup.py
index 1131db6..5d67f0d 100644
--- a/setup.py
+++ b/setup.py
@@ -38,6 +38,7 @@ setup(
             "codespell",
             "sphinx-copybutton",
             "beanbag-docutils>=2.0",
+            "pygments-csv-lexer",
         ],
         "mypy": [
             "mypy",