diff --git a/client/python/pyproject.toml b/client/python/pyproject.toml
index ce74f88a5ef..265a66872d8 100644
--- a/client/python/pyproject.toml
+++ b/client/python/pyproject.toml
@@ -11,7 +11,7 @@ authors = [{ name = "G-Research Open Source Software", email = "armada@armadapro
 [project.optional-dependencies]
 format = ["black==23.3.0", "flake8==6.0.0", "pylint==2.17.4"]
 # note(JayF): sphinx-jekyll-builder was broken by sphinx-markdown-builder 0.6 -- so pin to 0.5.5
-docs = ["sphinx==7.0.1", "sphinx-jekyll-builder==0.3.0", "sphinx-toolbox==3.2.0b1", "sphinx-markdown-builder==0.5.5"]
+docs = ["sphinx==7.0.1", "sphinx-jekyll-builder==0.3.0", "sphinx-toolbox==3.2.0b1", "sphinx-markdown-builder==0.6.0"]
 test = ["pytest==7.3.1", "coverage>=6.5.0", "pytest-asyncio==0.21.0"]
 
 [build-system]