diff --git a/sphinx-doc/requirements_sphinx.txt b/sphinx-doc/requirements_sphinx.txt
index 6dc0edde512cf2819fc84b9a83d28bf7f583a4f2..db98b9f7c72a60ffdb289cf4908e32a5eab57ad0 100644
--- a/sphinx-doc/requirements_sphinx.txt
+++ b/sphinx-doc/requirements_sphinx.txt
@@ -44,7 +44,7 @@ python-intervals==1.10.0
 pytz==2020.4
 PyWavelets==1.1.1
 recommonmark==0.6.0
-regex==2020.10.28
+regex==2020.11.13
 requests==2.24.0
 scikit-learn==0.22.1
 scipy==1.5.4