diff --git a/requirements_dev.txt b/requirements_dev.txt
index b890571..d045d9f 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -8,7 +8,7 @@ pytest==6.2.4
 pytest-cov==2.12.1
 pytest-runner==5.3.1
 requests-mock==1.9.3
-Sphinx==4.1.2
+Sphinx==4.4.0
 tox==3.24.1
 twine==3.4.2
 watchdog==2.1.3