diff --git a/conf.py b/conf.py
index 7d7c1a3..4f1546e 100644
--- a/conf.py
+++ b/conf.py
@@ -16,7 +16,7 @@
 myst_enable_extensions = [
     'colon_fence',
 ]
-html_theme = 'sphinx_rtd_theme'
+html_theme = 'sphinx_book_theme'
 
 def copy_custom_files(app):
     if app.builder.format == "html":
diff --git a/requirements.txt b/requirements.txt
index 6c831a1..d48da90 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
-sphinx_rtd_theme
-deepmodeling_sphinx
+sphinx-book-theme
+deepmodeling-sphinx>=0.3.0
 myst-parser
\ No newline at end of file