diff --git a/requirements/doc.in b/requirements/doc.in
index c06e2a3..87e3584 100644
--- a/requirements/doc.in
+++ b/requirements/doc.in
@@ -2,6 +2,7 @@ sphinx==4.2.0
 alabaster==0.7.13
 sphinx-book-theme==1.0.1
 recommonmark==0.6.0
+sphinxcontrib.yt
 sphinxcontrib.images==0.9.4
 sphinx_panels==0.6.0
 sphinxcontrib.contentui==0.2.5
diff --git a/requirements/doc.txt b/requirements/doc.txt
index 7c8bed5..c462081 100644
--- a/requirements/doc.txt
+++ b/requirements/doc.txt
@@ -67,6 +67,7 @@ sphinx==4.2.0
     #   sphinx-panels
     #   sphinxcontrib-contentui
     #   sphinxcontrib-images
+    #   sphinxcontrib-yt
 sphinx-book-theme==1.0.1
     # via -r requirements/doc.in
 sphinx-copybutton==0.5.0
@@ -103,6 +104,8 @@ sphinxcontrib-serializinghtml==1.1.5
     # via
     #   -r requirements/doc.in
     #   sphinx
+sphinxcontrib-yt==0.2.2
+    # via -r requirements/doc.in
 typing-extensions==4.10.0
     # via pydata-sphinx-theme
 urllib3==2.2.1