diff --git a/requirements-docs.txt b/requirements-docs.txt
index 90487095..90c1266d 100644
--- a/requirements-docs.txt
+++ b/requirements-docs.txt
@@ -1,4 +1,4 @@
-ipykernel~=6.18
+ipykernel~=6.17
 ipython~=8.7
 Sphinx~=5.3
 sphinxcontrib-fulltoc~=1.2