diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..1b80d8c
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,5 @@
+# Change Log
+
+## v1.0.0 (2020-11-15)
+
+- First release
diff --git a/README.md b/README.md
index 8556e99..0763763 100644
--- a/README.md
+++ b/README.md
@@ -109,7 +109,7 @@ linkifyit.add("@", {"validate": validate, "normalize": normalize})
 
 ## API
 
-~~__[API documentation](http://markdown-it.github.io/linkify-it/doc)__~~
+[API documentation](https://linkify-it-py.readthedocs.io/en/latest/)
 
 ### LinkifyIt(schemas, options)
 
diff --git a/docs/conf.py b/docs/conf.py
index e7e5d39..f6a7c3c 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -23,7 +23,7 @@
 author = "tsutsu3"
 
 # The full version, including alpha/beta/rc tags
-release = "v0.0.1"
+release = "v1.0.0"
 
 
 # -- General configuration ---------------------------------------------------
diff --git a/linkify_it/__init__.py b/linkify_it/__init__.py
index fe9ba18..41f31f7 100644
--- a/linkify_it/__init__.py
+++ b/linkify_it/__init__.py
@@ -1,4 +1,4 @@
 from .main import LinkifyIt  # noqa: F401p
 from .main import SchemaError  # noqa: F401p
 
-__version__ = "0.0.1"
+__version__ = "1.0.0"