diff --git a/CHANGELOG b/CHANGELOG
index 8d00c72da..324f07daf 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,11 @@
+mkdocs-material-5.5.8 (2020-08-23)
+
+  * Removed focus outline on details and content tabs for pointer devices
+  * Improved accessibility of content tabs (now navigable via arrow keys)
+  * Fixed #1877: 404 on search index when search is disabled
+  * Fixed some memleaks in observable subscriptions
+  * Fixed color definitions for theme-color meta tag
+
 mkdocs-material-5.5.7 (2020-08-16)
 
   * Improved contrast ratio to 4.5:1 for syntax highlighting
diff --git a/docs/changelog.md b/docs/changelog.md
index a6beeb616..0daa3bcad 100644
--- a/docs/changelog.md
+++ b/docs/changelog.md
@@ -22,6 +22,14 @@ template: overrides/main.html
 
 ## Material for MkDocs
 
+### 5.5.8 <small>_ August 23, 2020</small>
+
+* Removed focus outline on `details` and content tabs for pointer devices
+* Improved accessibility of content tabs (now navigable via arrow keys)
+* Fixed #1877: `404` on search index when search is disabled
+* Fixed some memleaks in observable subscriptions
+* Fixed color definitions for `theme-color` meta tag
+
 ### 5.5.7 <small>_ August 16, 2020</small>
 
 * Improved contrast ratio to 4.5:1 for syntax highlighting
diff --git a/material/base.html b/material/base.html
index 640a40558..8bd674c50 100644
--- a/material/base.html
+++ b/material/base.html
@@ -29,7 +29,7 @@
         <meta name="author" content="{{ config.site_author }}">
       {% endif %}
       <link rel="shortcut icon" href="{{ config.theme.favicon | url }}">
-      <meta name="generator" content="mkdocs-{{ mkdocs_version }}, mkdocs-material-5.5.7">
+      <meta name="generator" content="mkdocs-{{ mkdocs_version }}, mkdocs-material-5.5.8">
     {% endblock %}
     {% block htmltitle %}
       {% if page and page.meta and page.meta.title %}
diff --git a/package-lock.json b/package-lock.json
index 0cb8a079f..362529dfe 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "mkdocs-material",
-  "version": "5.5.7",
+  "version": "5.5.8",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 2cba5d795..e3457281f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "mkdocs-material",
-  "version": "5.5.7",
+  "version": "5.5.8",
   "description": "A Material Design theme for MkDocs",
   "keywords": [
     "mkdocs",