diff --git a/taskcluster/docs-requirements.txt b/taskcluster/docs-requirements.txt
index 7dc4b28191..e30f83bffe 100644
--- a/taskcluster/docs-requirements.txt
+++ b/taskcluster/docs-requirements.txt
@@ -4,4 +4,4 @@ sphinx==2.4.4
 #FIXME: switch back to upstream sphinx-js when https://github.com/mozilla/sphinx-js/pull/135 is merged or the issue is fixed otherwise
 git+git://github.com/reuben/sphinx-js.git@a24775935443d21028ee4a7025a407c78030c4e7#egg=sphinx-js
 sphinx-rtd-theme==0.4.3
-pygments==2.6.1
+pygments==2.7.4