diff --git a/requirements.txt b/requirements.txt
index fad427f..500f2f8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ pandas==2.2.3
 scipy==1.15.1
 geopandas==1.0.1
 matplotlib==3.10.0
-Sphinx==8.1.3
+Sphinx==8.2.1
 sphinx-rtd-theme==3.0.2
 pytest==8.3.4
 pytest-cov==6.0.0