diff --git a/requirements_doc.txt b/requirements_doc.txt
index d9cd45a55..a5f8a5149 100644
--- a/requirements_doc.txt
+++ b/requirements_doc.txt
@@ -7,11 +7,11 @@ sphinx-autoapi~=2.1.1
 sphinx-autobuild~=2021.3.14
 sphinx-book-theme~=1.0.1
 sphinx-design~=0.3.0
-sphinxcontrib-plantuml~=0.28
+sphinxcontrib-plantuml~=0.29
 #sphinx-toggleprompt~=0.5.2
 sphinx-copybutton~=0.5.2  # does not work well with toggleprompt
 
 breathe>=4.34.0
 myst-nb~=0.17.1
-nbclient>=0.2,<0.10
+nbclient>=0.2,<0.11
 docutils~=0.17.1