diff --git a/CHANGELOG.md b/CHANGELOG.md
index faa24f2..343f84c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,14 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [v0.2.21]
+
+- Add Elixir script to bump ex_doc version from CLI ([#67](https://github.com/stabelly/rebar3_ex_doc/pull/67))
+- Add new workflow to automatically (and periodically) update `ex_doc` version ([#65](https://github.com/stabelly/rebar3_ex_doc/pull/65))
+- [automation] Update `ex_doc` to 0.30.6 ([#68](https://github.com/stabelly/rebar3_ex_doc/pull/68))
+- [automation] Update `ex_doc` to 0.30.7 ([#69](https://github.com/stabelly/rebar3_ex_doc/pull/69))
+- Use include_paths directive in app.src ([#70](https://github.com/stabelly/rebar3_ex_doc/pull/70))
+
 ## [v0.2.20]
 
 - Bump ex_doc to 0.30.5
diff --git a/mix.exs b/mix.exs
index b92927b..e46be2a 100644
--- a/mix.exs
+++ b/mix.exs
@@ -4,7 +4,7 @@ defmodule Rebar3ExDoc.MixProject do
   def project do
     [
       app: :rebar3_ex_doc,
-      version: "0.2.20",
+      version: "0.2.21",
       elixir: "~> 1.13",
       deps: [ex_doc: "#{@ex_doc_version}"],
       escript: [main_module: ExDoc.CLI, name: "ex_doc", path: "priv/ex_doc"],
diff --git a/src/rebar3_ex_doc.app.src b/src/rebar3_ex_doc.app.src
index 1681e6a..ad3e092 100644
--- a/src/rebar3_ex_doc.app.src
+++ b/src/rebar3_ex_doc.app.src
@@ -1,6 +1,6 @@
 {application, rebar3_ex_doc,
  [{description, "rebar3 plugin for generating docs with ex_doc"},
-  {vsn, "0.2.20"},
+  {vsn, "0.2.21"},
   {registered, []},
   {applications,
    [kernel,