diff --git a/docs/requirements.txt b/docs/requirements.txt
index 72bc43a34f28053b96f17485364a443c782d8bd4..e12ed5e2b0dc15378bc218320a6383b300a75c84 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,3 +1,4 @@
 sphinx
 sphinx_rtd_theme
 nbsphinx
+ipykernel