diff --git a/pyproject.toml b/pyproject.toml
index 1f9440f9..a15e1fce 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -75,7 +75,7 @@ testing = [
     "pytest-regressions",
     "pytest-param-files~=0.6.0",
     "sphinx-pytest~=0.3.0",
-    "pygments<2.20",  # TODO fix test regression with 2.19"
+    "pygments<2.21",  # TODO fix test regression with 2.19"
 ]
 testing-docutils = [
     "pygments",