diff --git a/CHANGELOG.md b/CHANGELOG.md
index c6b54d6..2305a9a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,31 @@
 
 All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
 
+## [5.4.0](https://github.com/cotes2020/jekyll-theme-chirpy/compare/v5.3.2...v5.4.0) (2022-12-27)
+
+
+### Features
+
+* add `rel="me"` to Mastodon sidebar contact links for verification ([#807](https://github.com/cotes2020/jekyll-theme-chirpy/issues/807)) ([d2190c7](https://github.com/cotes2020/jekyll-theme-chirpy/commit/d2190c726f61c8c9732b88b4aecf699dc8bc7deb))
+* add embed video support ([ed6dc53](https://github.com/cotes2020/jekyll-theme-chirpy/commit/ed6dc539eff7003a3765bcd8c31ae5e91a863d65))
+* add shimmer background when image loads ([ab16fdc](https://github.com/cotes2020/jekyll-theme-chirpy/commit/ab16fdc7fc26811130b98a1773beb62bff6182e8))
+* set preview image ratio to 1.91 : 1 ([4b6ccbc](https://github.com/cotes2020/jekyll-theme-chirpy/commit/4b6ccbcbccce27b9fcb035812efefe4eb69301cf))
+* support dark and light mode images ([#481](https://github.com/cotes2020/jekyll-theme-chirpy/issues/481)) ([9306c7b](https://github.com/cotes2020/jekyll-theme-chirpy/commit/9306c7b39ecf9d9146bc1a25eebedc38eb2c3dd6))
+* support LQIP for images ([bffaf63](https://github.com/cotes2020/jekyll-theme-chirpy/commit/bffaf6374f265cec96ef743d42b46fbec3b59797))
+
+
+### Bug Fixes
+
+* `hreflang` tag attribute of feed misses `site.alt_lang` ([7651d28](https://github.com/cotes2020/jekyll-theme-chirpy/commit/7651d2851b4bb7d8f0d068b62c036c89a1089bbc))
+* `og:image` will be incorrect if the image uses a cross-domain URL ([8de1abd](https://github.com/cotes2020/jekyll-theme-chirpy/commit/8de1abda6be3633982392178731431b0ddb1b52b))
+* refactoring error when the image URL contains parameters ([ec98f07](https://github.com/cotes2020/jekyll-theme-chirpy/commit/ec98f07aca0b80a9c07fbcdc8e0d7d66dba98ed2))
+* spaces in post title are encoded when sharing ([7efd2f8](https://github.com/cotes2020/jekyll-theme-chirpy/commit/7efd2f8aa2ea1c3aeb7d740bf9a018881c26fe65))
+
+
+### Improvements
+
+* **cdn:** optimize cache policy for static assets ([7fb0ee0](https://github.com/cotes2020/jekyll-theme-chirpy/commit/7fb0ee0bedb63eee3f90a49c6d7fb8b5d78c9830))
+
 ## [5.3.2](https://github.com/cotes2020/jekyll-theme-chirpy/compare/v5.3.1...v5.3.2) (2022-11-22)
 
 
diff --git a/_javascript/copyright b/_javascript/copyright
index a45813d..f63512d 100644
--- a/_javascript/copyright
+++ b/_javascript/copyright
@@ -1,5 +1,5 @@
 /*!
- * Chirpy v5.3.2 (https://github.com/cotes2020/jekyll-theme-chirpy/)
+ * Chirpy v5.4.0 (https://github.com/cotes2020/jekyll-theme-chirpy/)
  * © 2019 Cotes Chung
  * MIT Licensed
  */
diff --git a/_sass/jekyll-theme-chirpy.scss b/_sass/jekyll-theme-chirpy.scss
index e1c42bc..f87f2bb 100644
--- a/_sass/jekyll-theme-chirpy.scss
+++ b/_sass/jekyll-theme-chirpy.scss
@@ -1,7 +1,7 @@
 /*!
  * The styles for Jekyll theme Chirpy
  *
- * Chirpy v5.3.2 (https://github.com/cotes2020/jekyll-theme-chirpy)
+ * Chirpy v5.4.0 (https://github.com/cotes2020/jekyll-theme-chirpy)
  * © 2019 Cotes Chung
  * MIT Licensed
  */
diff --git a/assets/js/dist/categories.min.js b/assets/js/dist/categories.min.js
index b9a7ded..1f06a32 100644
--- a/assets/js/dist/categories.min.js
+++ b/assets/js/dist/categories.min.js
@@ -1,5 +1,5 @@
 /*!
- * Chirpy v5.3.2 (https://github.com/cotes2020/jekyll-theme-chirpy/)
+ * Chirpy v5.4.0 (https://github.com/cotes2020/jekyll-theme-chirpy/)
  * © 2019 Cotes Chung
  * MIT Licensed
  */
diff --git a/assets/js/dist/commons.min.js b/assets/js/dist/commons.min.js
index 177faf0..3577692 100644
--- a/assets/js/dist/commons.min.js
+++ b/assets/js/dist/commons.min.js
@@ -1,5 +1,5 @@
 /*!
- * Chirpy v5.3.2 (https://github.com/cotes2020/jekyll-theme-chirpy/)
+ * Chirpy v5.4.0 (https://github.com/cotes2020/jekyll-theme-chirpy/)
  * © 2019 Cotes Chung
  * MIT Licensed
  */
diff --git a/assets/js/dist/home.min.js b/assets/js/dist/home.min.js
index 7640e03..8824d15 100644
--- a/assets/js/dist/home.min.js
+++ b/assets/js/dist/home.min.js
@@ -1,5 +1,5 @@
 /*!
- * Chirpy v5.3.2 (https://github.com/cotes2020/jekyll-theme-chirpy/)
+ * Chirpy v5.4.0 (https://github.com/cotes2020/jekyll-theme-chirpy/)
  * © 2019 Cotes Chung
  * MIT Licensed
  */
diff --git a/assets/js/dist/misc.min.js b/assets/js/dist/misc.min.js
index 7640e03..8824d15 100644
--- a/assets/js/dist/misc.min.js
+++ b/assets/js/dist/misc.min.js
@@ -1,5 +1,5 @@
 /*!
- * Chirpy v5.3.2 (https://github.com/cotes2020/jekyll-theme-chirpy/)
+ * Chirpy v5.4.0 (https://github.com/cotes2020/jekyll-theme-chirpy/)
  * © 2019 Cotes Chung
  * MIT Licensed
  */
diff --git a/assets/js/dist/page.min.js b/assets/js/dist/page.min.js
index 59cd096..03a7527 100644
--- a/assets/js/dist/page.min.js
+++ b/assets/js/dist/page.min.js
@@ -1,5 +1,5 @@
 /*!
- * Chirpy v5.3.2 (https://github.com/cotes2020/jekyll-theme-chirpy/)
+ * Chirpy v5.4.0 (https://github.com/cotes2020/jekyll-theme-chirpy/)
  * © 2019 Cotes Chung
  * MIT Licensed
  */
diff --git a/assets/js/dist/post.min.js b/assets/js/dist/post.min.js
index 706f6e4..fc6aa95 100644
--- a/assets/js/dist/post.min.js
+++ b/assets/js/dist/post.min.js
@@ -1,5 +1,5 @@
 /*!
- * Chirpy v5.3.2 (https://github.com/cotes2020/jekyll-theme-chirpy/)
+ * Chirpy v5.4.0 (https://github.com/cotes2020/jekyll-theme-chirpy/)
  * © 2019 Cotes Chung
  * MIT Licensed
  */
diff --git a/assets/js/dist/pvreport.min.js b/assets/js/dist/pvreport.min.js
index f64fa4e..58a7ce0 100644
--- a/assets/js/dist/pvreport.min.js
+++ b/assets/js/dist/pvreport.min.js
@@ -1,5 +1,5 @@
 /*!
- * Chirpy v5.3.2 (https://github.com/cotes2020/jekyll-theme-chirpy/)
+ * Chirpy v5.4.0 (https://github.com/cotes2020/jekyll-theme-chirpy/)
  * © 2019 Cotes Chung
  * MIT Licensed
  */
diff --git a/jekyll-theme-chirpy.gemspec b/jekyll-theme-chirpy.gemspec
index 21e7a8a..9c2aa94 100644
--- a/jekyll-theme-chirpy.gemspec
+++ b/jekyll-theme-chirpy.gemspec
@@ -2,7 +2,7 @@
 
 Gem::Specification.new do |spec|
   spec.name          = "jekyll-theme-chirpy"
-  spec.version       = "5.3.2"
+  spec.version       = "5.4.0"
   spec.authors       = ["Cotes Chung"]
   spec.email         = ["cotes.chung@gmail.com"]
 
diff --git a/package.json b/package.json
index 5cd163a..77f9bd9 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "jekyll-theme-chirpy",
-  "version": "5.3.2",
+  "version": "5.4.0",
   "description": "A minimal, responsive, and powerful Jekyll theme for presenting professional writing.",
   "repository": {
     "type": "git",