diff --git a/ci-dev/doc_requirements.txt b/ci-dev/doc_requirements.txt
index 12494d99d..e921213bb 100644
--- a/ci-dev/doc_requirements.txt
+++ b/ci-dev/doc_requirements.txt
@@ -2,6 +2,6 @@ cartopy==0.25.0
 matplotlib==3.10.7
 metpy==1.7.1
 sphinx==8.2.3
-sphinx_rtd_theme==3.0.1
+sphinx_rtd_theme==3.1.0
 sphinx-gallery==0.20.0
 myst-parser==4.0.1