diff --git a/CHANGELOG.md b/CHANGELOG.md
index 90e4a95f..8c9d86fb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,13 @@
+## [3.1.4](https://github.com/mmistakes/minimal-mistakes/releases/tag/3.1.4)
+
+### Enhancements
+
+- Add overlay_filter param to hero headers [#298](https://github.com/mmistakes/minimal-mistakes/pull/298)
+
+### Maintenance
+
+- Fix `www` and `https` links in author profile include [#293](https://github.com/mmistakes/minimal-mistakes/pull/293)
+
 ## [3.1.3](https://github.com/mmistakes/minimal-mistakes/releases/tag/3.1.3)
 
 ### Enhancements
diff --git a/_includes/page__hero.html b/_includes/page__hero.html
index ef0f4ca5..bdbf130b 100644
--- a/_includes/page__hero.html
+++ b/_includes/page__hero.html
@@ -18,8 +18,14 @@
   {% capture overlay_img_path %}{{ page.header.overlay_image | prepend: "/images/" | prepend: base_path }}{% endcapture %}
 {% endif %}
 
+{% if page.header.overlay_filter contains "rgba" %}
+  {% capture overlay_filter %}{{ page.header.overlay_filter }}{% endcapture %}
+{% elsif page.header.overlay_filter %}
+  {% capture overlay_filter %}rgba(0, 0, 0, {{ page.header.overlay_filter }}){% endcapture %}
+{% endif %}
+
 <div class="page__hero{% if page.header.overlay_color or page.header.overlay_image %}--overlay{% endif %}"
-  style="{% if page.header.overlay_color %}background-color: {{ page.header.overlay_color | default: 'transparent' }};{% endif %} {% if overlay_img_path %}background-image: url('{{ overlay_img_path }}');{% endif %}"
+  style="{% if page.header.overlay_color %}background-color: {{ page.header.overlay_color | default: 'transparent' }};{% endif %} {% if overlay_img_path %}background-image: {% if overlay_filter %}linear-gradient({{ overlay_filter }}, {{ overlay_filter }}), {% endif %}url('{{ overlay_img_path }}');{% endif %}"
 >
   {% if page.header.overlay_color or page.header.overlay_image %}
     <div class="wrapper">
@@ -46,4 +52,4 @@
   {% if page.header.caption %}
     <span class="page__hero-caption">{{ page.header.caption | markdownify | remove: "<p>" | remove: "</p>" }}</span>
   {% endif %}
-</div>
\ No newline at end of file
+</div>