diff --git a/requirements_dev.txt b/requirements_dev.txt
index 5024386..40ab618 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -3,7 +3,7 @@ wheel==0.40.0
 flake8
 tox==3.25.1
 coverage==7.2.7
-Sphinx==1.6.3
+Sphinx==7.3.7
 PyYAML>=4.2b1
 pytest==7.4.0
 pytest-runner==6.0.0