diff --git a/_static/custom.css b/_static/custom.css
index e8fc223..080fee5 100644
--- a/_static/custom.css
+++ b/_static/custom.css
@@ -9,11 +9,3 @@
 .bg-pymc-three {
     background-color: #e7b07b96 !important;
 }
-
-.navbar-brand {
-  display: inline-block !important;
-}
-
-.supportbutton a {
- color: var(--pst-color-sidebar-link-active);
-}
diff --git a/_templates/donate.html b/_templates/donate.html
deleted file mode 100644
index 6de283a..0000000
--- a/_templates/donate.html
+++ /dev/null
@@ -1,9 +0,0 @@
-{% if "generated" in sourcename %}
-<div class="tocsection editthispage">
-{% else %}
-<div class="tocsection supportbutton">
-{% endif %}
-    <a href="https://numfocus.org/donate-to-pymc3">
-      <i class="far fa-heart"></i> {{ _("Support PyMC") }}
-    </a>
-</div>
diff --git a/conf.py b/conf.py
index 46d59db..171402b 100644
--- a/conf.py
+++ b/conf.py
@@ -44,9 +44,6 @@
     "sphinxext.rediraffe",
 ]
 
-# Add any paths that contain templates here, relative to this directory.
-templates_path = ['_templates']
-
 # List of patterns, relative to source directory, that match files and
 # directories to ignore when looking for source files.
 # This pattern also affects html_static_path and html_extra_path.
@@ -61,8 +58,8 @@
 
 # -- Options for extensions
 
-jupyter_execute_notebooks = "auto"
-execution_excludepatterns = ["*.ipynb"]
+nb_execution_mode = "auto"
+nb_execution_excludepatterns = ["*.ipynb"]
 myst_enable_extensions = ["colon_fence", "deflist", "dollarmath", "amsmath"]
 
 intersphinx_mapping = {
@@ -128,49 +125,19 @@ def setup(app):
 ogp_image = "https://www.pymc.io/_static/PyMC.jpg"
 ogp_use_first_image = True
 
-ogp_custom_meta_tags = [
-    # TODO: add fancy twitter specific metadata
-    # '<meta property="og:ignore_canonical" content="true" />',
-]
-
 # -- Options for HTML output -------------------------------------------------
 
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
 #
-html_theme = "pydata_sphinx_theme"
+html_theme = "pymc_sphinx_theme"
 # Add any paths that contain custom static files (such as style sheets) here,
 # relative to this directory. They are copied after the builtin static files,
 # so a file named "default.css" will overwrite the builtin "default.css".
 
 html_theme_options = {
-    "icon_links": [
-        {
-            "name": "GitHub",
-            "url": "https://github.com/pymc-devs/pymc",
-            "icon": "fab fa-github-square",
-        },
-        {
-            "name": "Twitter",
-            "url": "https://twitter.com/pymc_devs",
-            "icon": "fab fa-twitter-square",
-        },
-        {
-            "name": "YouTube",
-            "url": "https://www.youtube.com/c/PyMCDevelopers",
-            "icon": "fab fa-youtube",
-        },
-        {
-            "name": "Discourse",
-            "url": "https://discourse.pymc.io",
-            "icon": "fab fa-discourse",
-        },
-    ],
-    "use_edit_page_button": True,
-    "navbar_end": ["search-field.html", "navbar-icon-links.html"],
-    "page_sidebar_items": ["page-toc", "edit-this-page", "donate"],
-    "search_bar_text": "Search...",
     "show_nav_level": 2,
+    "navbar_start": ["navbar-logo"],
 }
 html_context = {
     "github_user": "pymc-devs",
diff --git a/requirements.txt b/requirements.txt
index 84ffcfe..94f433d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,4 @@
 Sphinx
-pydata-sphinx-theme<0.10.1
 sphinx-copybutton
 sphinx-design
 myst-nb
@@ -9,3 +8,4 @@ sphinxext-opengraph
 sphinx-notfound-page
 jupyterlite-sphinx
 sphinxext-rediraffe
+git+https://github.com/pymc-devs/pymc-sphinx-theme