diff --git a/doc/requirements.txt b/doc/requirements.txt
index 18666f1a..e10dbd80 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -1,7 +1,7 @@
 click==8.1.7
 entrypoints==0.4
 Pillow==10.3.0
-Sphinx==7.2.6
+Sphinx==7.3.0
 furo==2024.1.29
 ipython==8.23.0
 netCDF4==1.6.5