-r ../requirements.txt
sphinx==3.0.4
sphinx_rtd_theme==0.4.3
sphinxcontrib-svg2pdfconverter

-r ../requirements.txt
sphinx==3.1.0
sphinx_rtd_theme==0.4.3
sphinxcontrib-svg2pdfconverter

Update dependency sphinx to v3.1.0
Update dependency sphinx to v3.1.0
