diff --git a/Makefile b/Makefile
index 1338277a..6babf716 100644
--- a/Makefile
+++ b/Makefile
@@ -29,6 +29,7 @@ tox:
 docs:
 	uv run sphinx-multiversion docs docs/_build/html
 	echo '<meta http-equiv="refresh" content="0; url=./master/index.html">' > docs/_build/html/index.html
+	echo 'pyathena.dev' > docs/_build/html/CNAME
 	touch docs/_build/html/.nojekyll
 
 .PHONY: tool
diff --git a/README.md b/README.md
index f41175d4..27b9e186 100644
--- a/README.md
+++ b/README.md
@@ -60,7 +60,7 @@ Many of the implementations in this library are based on [PyHive](https://github
 
 ## Links
 
-- Documentation: https://pyathena-dev.github.io/PyAthena/
+- Documentation: https://pyathena.dev/
 - PyPI Releases: https://pypi.org/project/PyAthena/
 - Source Code: https://github.com/pyathena-dev/PyAthena/
 - Issue Tracker: https://github.com/pyathena-dev/PyAthena/issues
diff --git a/docs/conf.py b/docs/conf.py
index fc034623..6ef34a48 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -207,8 +207,8 @@ def setup(app):
 
 # -- Open Graph protocol settings ----------------------------------------------
 
-ogp_site_url = "https://pyathena-dev.github.io/PyAthena/"
-ogp_image = "https://pyathena-dev.github.io/PyAthena/_static/ogp_white.png"
+ogp_site_url = "https://pyathena.dev/"
+ogp_image = "https://pyathena.dev/_static/ogp_white.png"
 ogp_description_length = 200
 ogp_type = "website"
 
diff --git a/pyproject.toml b/pyproject.toml
index ee52da84..e71944a3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -32,7 +32,7 @@ dynamic = ["version"]
 [project.urls]
 homepage = "https://github.com/pyathena-dev/PyAthena/"
 repository = "https://github.com/pyathena-dev/PyAthena/"
-documentation = "https://pyathena-dev.github.io/PyAthena/"
+documentation = "https://pyathena.dev/"
 issues = "https://github.com/pyathena-dev/PyAthena/issues"
 
 [project.entry-points."sqlalchemy.dialects"]