diff --git a/CHANGELOG.md b/CHANGELOG.md
index da13dd9e171e..543affefea85 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,18 @@
+## [3.2.9](https://github.com/mmistakes/minimal-mistakes/releases/tag/3.2.9)
+
+### Enhancements
+
+- Add support for [header overlay images](https://mmistakes.github.io/minimal-mistakes/docs/layouts/#header-overlay) for Open Graph images. [#358](https://github.com/mmistakes/minimal-mistakes/pull/358)
+
+### Bug Fixes
+
+- Fix `Person` typo Schema.org type [#358](https://github.com/mmistakes/minimal-mistakes/pull/358)
+
+### Maintenance
+
+- Update `github-pages` gem and dependencies.
+- Remove `minutes_read` to avoid awkward reading time wording [#356](https://github.com/mmistakes/minimal-mistakes/issues/356)
+
 ## [3.2.8](https://github.com/mmistakes/minimal-mistakes/releases/tag/3.2.8)
 
 ### Bug Fixes
diff --git a/Gemfile.lock b/Gemfile.lock
index 244b03005f45..6077896b30bc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -21,18 +21,18 @@ GEM
     ffi (1.9.10)
     ffi (1.9.10-x64-mingw32)
     gemoji (2.1.0)
-    github-pages (80)
+    github-pages (82)
       github-pages-health-check (= 1.1.0)
       jekyll (= 3.1.6)
       jekyll-coffeescript (= 1.0.1)
       jekyll-feed (= 0.5.1)
       jekyll-gist (= 1.4.0)
-      jekyll-github-metadata (= 1.11.1)
+      jekyll-github-metadata (= 2.0.0)
       jekyll-mentions (= 1.1.2)
       jekyll-paginate (= 1.1.0)
       jekyll-redirect-from (= 0.10.0)
       jekyll-sass-converter (= 1.3.0)
-      jekyll-seo-tag (= 1.4.0)
+      jekyll-seo-tag (= 2.0.0)
       jekyll-sitemap (= 0.10.0)
       jemoji (= 0.6.2)
       kramdown (= 1.10.0)
@@ -65,7 +65,8 @@ GEM
     jekyll-feed (0.5.1)
     jekyll-gist (1.4.0)
       octokit (~> 4.2)
-    jekyll-github-metadata (1.11.1)
+    jekyll-github-metadata (2.0.0)
+      jekyll (~> 3.1)
       octokit (~> 4.0)
     jekyll-mentions (1.1.2)
       html-pipeline (~> 2.3)
@@ -75,8 +76,8 @@ GEM
       jekyll (>= 2.0)
     jekyll-sass-converter (1.3.0)
       sass (~> 3.2)
-    jekyll-seo-tag (1.4.0)
-      jekyll (~> 3.0)
+    jekyll-seo-tag (2.0.0)
+      jekyll (~> 3.1)
     jekyll-sitemap (0.10.0)
     jekyll-watch (1.4.0)
       listen (~> 3.0, < 3.1)
@@ -91,16 +92,19 @@ GEM
       rb-fsevent (>= 0.9.3)
       rb-inotify (>= 0.9.7)
     mercenary (0.3.6)
-    mini_portile2 (2.0.0)
+    mini_portile2 (2.1.0)
     minitest (5.9.0)
     multipart-post (2.0.0)
     net-dns (0.8.0)
-    nokogiri (1.6.7.2)
-      mini_portile2 (~> 2.0.0.rc2)
-    nokogiri (1.6.7.2-x64-mingw32)
-      mini_portile2 (~> 2.0.0.rc2)
+    nokogiri (1.6.8)
+      mini_portile2 (~> 2.1.0)
+      pkg-config (~> 1.1.7)
+    nokogiri (1.6.8-x64-mingw32)
+      mini_portile2 (~> 2.1.0)
+      pkg-config (~> 1.1.7)
     octokit (4.3.0)
       sawyer (~> 0.7.0, >= 0.5.3)
+    pkg-config (1.1.7)
     public_suffix (1.5.3)
     rb-fsevent (0.9.7)
     rb-inotify (0.9.7)
@@ -111,7 +115,7 @@ GEM
     sawyer (0.7.0)
       addressable (>= 2.3.5, < 2.5)
       faraday (~> 0.8, < 0.10)
-    terminal-table (1.5.2)
+    terminal-table (1.6.0)
     thread_safe (0.3.5)
     typhoeus (0.8.0)
       ethon (>= 0.8.0)
diff --git a/_data/ui-text.yml b/_data/ui-text.yml
index 5d634fd67e87..43c2c8358aef 100644
--- a/_data/ui-text.yml
+++ b/_data/ui-text.yml
@@ -12,7 +12,6 @@ en: &DEFAULT_EN
   ext_link_label        : "Direct Link"
   less_than             : "less than"
   minute_read           : "minute read"
-  minutes_read          : "minutes read"
   share_on_label        : "Share on"
   meta_label            :
   tags_label            : "Tags:"
@@ -45,7 +44,6 @@ es: &DEFAULT_ES
   ext_link_label        : "Enlace"
   less_than             : "menos de"
   minute_read           : "minuto de lectura"
-  minutes_read          : "minutos de lectura"
   share_on_label        : "Compartir"
   meta_label            :
   tags_label            : "Etiquetas:"
@@ -78,7 +76,6 @@ fr: &DEFAULT_FR
   ext_link_label        : "Lien direct"
   less_than             : "plus petit que"
   minute_read           : "minute de lecture"
-  minutes_read          : "minutes de lecture"
   share_on_label        : "Partager sur"
   meta_label            :
   tags_label            : "Tags :"
diff --git a/_includes/read-time.html b/_includes/read-time.html
index 272bd4e58e07..605dc0bc81f4 100644
--- a/_includes/read-time.html
+++ b/_includes/read-time.html
@@ -10,7 +10,7 @@
 	{% elsif words < 360 %}
 	  1 {{ site.data.ui-text[site.locale].minute_read }}
 	{% else %}
-	  {{ words | divided_by:site.words_per_minute }} {{ site.data.ui-text[site.locale].minutes_read }}
+	  {{ words | divided_by:site.words_per_minute }} {{ site.data.ui-text[site.locale].minute_read }}
 	{% endif %}
 {% else %}
   {{ site.data.ui-text[site.locale].undefined_wpm }}
diff --git a/_includes/seo.html b/_includes/seo.html
index 0298f6ce256f..47c190e93b6c 100644
--- a/_includes/seo.html
+++ b/_includes/seo.html
@@ -85,6 +85,8 @@
 
 {% if page.header.image %}
   <meta property="og:image" content="{% if page.header.image contains "://" %}{{ page.header.image }}{% else %}{{ page.header.image | prepend: "/images/" | prepend: base_path }}{% endif %}">
+{% elsif page.header.overlay_image %}
+  <meta property="og:image" content="{% if page.header.overlay_image contains "://" %}{{ page.header.overlay_image }}{% else %}{{ page.header.overlay_image | prepend: "/images/" | prepend: base_path }}{% endif %}">
 {% endif %}
 
 {% if page.date %}
@@ -113,7 +115,7 @@
   <script type="application/ld+json">
     {
       "@context" : "http://schema.org",
-      "@type" : "{% if site.social.type %}{{ site.social.type }}{% else %}person{% endif %}",
+      "@type" : "{% if site.social.type %}{{ site.social.type }}{% else %}Person{% endif %}",
       "name" : "{{ site.social.name | default: site.name }}",
       "url" : {{ seo_url | jsonify }},
       "sameAs" : {{ site.social.links | jsonify }}
diff --git a/package.json b/package.json
index 3aaf2e20408e..f83285b8ad74 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "minimal-mistakes",
-  "version": "3.2.8",
+  "version": "3.2.9",
   "description": "Minimal Mistakes Jekyll theme npm build scripts",
   "repository": {
     "type": "git",