diff --git a/authlib/consts.py b/authlib/consts.py
index e310e793..0eff0669 100644
--- a/authlib/consts.py
+++ b/authlib/consts.py
@@ -1,5 +1,5 @@
 name = 'Authlib'
-version = '1.3.0'
+version = '1.3.1'
 author = 'Hsiaoming Yang <me@lepture.com>'
 homepage = 'https://authlib.org/'
 default_user_agent = f'{name}/{version} (+{homepage})'
diff --git a/docs/changelog.rst b/docs/changelog.rst
index 37faeb65..bd7892ec 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -6,6 +6,14 @@ Changelog
 
 Here you can see the full list of changes between each Authlib release.
 
+Version 1.3.1
+-------------
+
+**Released on June 4, 2024**
+
+- Prevent ``OctKey`` to import ssh and PEM strings.
+
+
 Version 1.3.0
 -------------
 
diff --git a/docs/conf.py b/docs/conf.py
index 7ba1f6e6..8ea1905e 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -35,15 +35,10 @@
 }
 html_favicon = '_static/icon.svg'
 html_theme_options = {
-    'og_image_url': 'https://authlib.org/logo.png',
+    "accent_color": "blue",
+    "og_image_url": 'https://authlib.org/logo.png',
     "light_logo": "_static/light-logo.svg",
     "dark_logo": "_static/dark-logo.svg",
-    "light_css_variables": {
-        "--sy-rc-theme": "62,127,203",
-    },
-    "dark_css_variables": {
-        "--sy-rc-theme": "102,173,255",
-    },
     "twitter_site": "authlib",
     "twitter_creator": "lepture",
     "twitter_url": "https://twitter.com/authlib",
diff --git a/docs/requirements.txt b/docs/requirements.txt
index cdf3ad8c..a04dd374 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -7,7 +7,7 @@ requests
 httpx>=0.18.2
 starlette
 
-sphinx==6.2.1
-sphinx-design==0.4.1
-sphinx-copybutton==0.5.2
+sphinx
+sphinx-design
+sphinx-copybutton
 shibuya