diff --git a/requirements.txt b/requirements.txt
index 40768a3..78fac48 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ scipy==1.15.2
 geopandas==1.0.1
 matplotlib==3.10.1
 Sphinx==8.2.3
-sphinx-rtd-theme==3.0.2
+sphinx-rtd-theme==3.1.0
 pytest==8.4.2
 pytest-cov==6.2.1
 pyyaml==6.0.3