diff --git a/docs/.sphinx/requirements.txt b/docs/.sphinx/requirements.txt
index 15935292a..ec5e00f4f 100644
--- a/docs/.sphinx/requirements.txt
+++ b/docs/.sphinx/requirements.txt
@@ -1,4 +1,4 @@
-canonical-sphinx[full]
+canonical-sphinx[full]==0.4.0
 sphinx-autobuild
 sphinxcontrib-svg2pdfconverter[CairoSVG]
 sphinx-last-updated-by-git
\ No newline at end of file
diff --git a/docs/conf.py b/docs/conf.py
index aaac6609a..49ce7e493 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -130,11 +130,11 @@
     # Docs branch in the repo; used in links for viewing the source files
     #
     # To customise the branch, uncomment and update as needed.
-    'github_version': 'main',
+    'repo_default_branch': 'main',
     # Docs location in the repo; used in links for viewing the source files
     #
     # To customise the directory, uncomment and update as needed.
-    "github_folder": "/docs/",
+    "repo_folder": "/docs/",
     # To enable or disable the Previous / Next buttons at the bottom of pages
     # Valid options: none, prev, next, both
     "sequential_nav": "none",