diff --git a/requirements.txt b/requirements.txt
index 38e430a..0eab217 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 jinja2>3
-mpl-sphinx-theme~=3.8.0
-pydata-sphinx-theme~=0.13.0
+mpl-sphinx-theme~=3.9.0
+pydata-sphinx-theme~=0.15.0
 pygments>=2.7
 sphinx>=7.1
 sphinx-notfound-page