[doc] update sphinx requirements

Change-Id: Idb580cadd038c417d6c4ca20089935470f41c3aa
---
M docs/conf.py
M docs/requirements.txt
2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/docs/conf.py b/docs/conf.py
index 2ccabf7..5efdf3b 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -46,7 +46,7 @@
 
 # If your documentation needs a minimal Sphinx version, state it here.
 #
-needs_sphinx = '7.2.6'
+needs_sphinx = '7.3.7'
 
 # Add any Sphinx extension module names here, as strings. They can be
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
diff --git a/docs/requirements.txt b/docs/requirements.txt
index ba511c6..32bfea7 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,10 +1,10 @@
 # This is a PIP requirements file for building Sphinx documentation of Pywikibot
 # ../requirements.txt is also needed.
-# Note: Python 3.9 is required for sphinx 7.2.6
-sphinx >= 7.2.6
-rstcheck >=6.2.0
-sphinxext-opengraph >= 0.9.0
+# Note: Python 3.9 is required for sphinx 7.2
+sphinx >= 7.3.7
+rstcheck >=6.2.1
+sphinxext-opengraph >= 0.9.1
 sphinx-copybutton >= 0.5.2
 sphinx-notfound-page >= 1.0.0
-furo >= 2023.9.10
+furo >= 2024.4.27
 tomli

