diff --git a/doc/requirements.pip b/doc/requirements.pip
index c102984a5..6d8891777 100644
--- a/doc/requirements.pip
+++ b/doc/requirements.pip
@@ -4,7 +4,7 @@
 
 doc8==0.8.0
 pyenchant==2.0.0
-sphinx==2.2.0
+sphinx==2.4.3
 sphinx-rst-builder==0.0.1
 sphinxcontrib-spelling==4.3.0
 sphinx_rtd_theme==0.4.3