diff --git a/docs-requirements.txt b/docs-requirements.txt
index d6b573e..a8c351f 100644
--- a/docs-requirements.txt
+++ b/docs-requirements.txt
@@ -34,7 +34,7 @@ requests==2.25.1
     # via sphinx
 snowballstemmer==2.1.0
     # via sphinx
-sphinx==3.4.3
+sphinx==3.5.0
     # via -r docs-requirements.in
 sphinxcontrib-applehelp==1.0.2
     # via sphinx
diff --git a/test-requirements.txt b/test-requirements.txt
index beae9ad..f71076d 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -60,7 +60,7 @@ requests==2.25.1
     # via sphinx
 snowballstemmer==2.1.0
     # via sphinx
-sphinx==3.4.3
+sphinx==3.5.0
     # via -r test-requirements.in
 sphinxcontrib-applehelp==1.0.2
     # via sphinx