diff --git a/docs/environment.yml b/docs/environment.yml
index c175f9b5e..c63eaedae 100644
--- a/docs/environment.yml
+++ b/docs/environment.yml
@@ -4,15 +4,14 @@ channels:
   - conda-forge
   - nodefaults
 dependencies:
-- python=3.8
-- sphinx>=1.8
+- python=3.10
+- jsx-lexer
+- sphinx>=5.0
 - sphinx-copybutton
-- sphinx_rtd_theme
+- pydata-sphinx-theme
+- myst-parser
 - pytest
+- pytest-check-links
+- requests-cache
 - pip
 - nodejs
-- pip:
-  - jsx-lexer
-  - pytest-check-links[cache]>=0.4.3
-  - myst_parser
-  - requests_cache
diff --git a/docs/source/conf.py b/docs/source/conf.py
index 88e34c700..edb28cb6d 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -48,7 +48,8 @@
     'myst_parser',
     'sphinx.ext.intersphinx',
     'sphinx.ext.mathjax',
-    'sphinx_copybutton'
+    'sphinx_copybutton',
+
 ]
 
 myst_enable_extensions = ["html_image"]
@@ -156,9 +157,7 @@ def build_examples(out_dir):
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
 #
-import sphinx_rtd_theme
-html_theme = "sphinx_rtd_theme"
-html_theme_path = [sphinx_rtd_theme.get_html_theme_path()]
+html_theme ="pydata_sphinx_theme"
 
 # Theme options are theme-specific and customize the look and feel of a theme
 # further.  For a list of options available for each theme, see the
@@ -176,15 +175,7 @@ def build_examples(out_dir):
 #
 # This is required for the alabaster theme
 # refs: http://alabaster.readthedocs.io/en/latest/installation.html#sidebars
-html_sidebars = {
-    '**': [
-        'about.html',
-        'navigation.html',
-        'relations.html',  # needs 'show_related': True theme option to display
-        'searchbox.html',
-        'donate.html',
-    ]
-}
+# html_sidebars = {}
 
 # Output for github to be used in links
 html_context = {