diff --git a/fdmlpy/requirements.txt b/fdmlpy/requirements.txt
index 21f48ee..3b4bb27 100644
--- a/fdmlpy/requirements.txt
+++ b/fdmlpy/requirements.txt
@@ -1,3 +1,3 @@
 build~=0.10.0
-sphinx~=6.2.1
+sphinx~=7.3.7
 sphinx_rtd_theme~=1.2.0