diff --git a/CHANGELOG b/CHANGELOG
index 501dd0cb9..acf18306c 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,7 @@
+mkdocs-material-2.2.4 (2017-12-18)
+
+  * Fixed #638: Build breaks with Jinja < 2.9
+
 mkdocs-material-2.2.3 (2017-12-13)
 
   * Fixed #630: Admonition sets padding on any last child
diff --git a/docs/release-notes.md b/docs/release-notes.md
index 7f89801d4..7f5f00ede 100644
--- a/docs/release-notes.md
+++ b/docs/release-notes.md
@@ -12,7 +12,7 @@ To determine the currently installed version, use the following command:
 
 ``` sh
 pip show mkdocs-material | grep -E ^Version
-# Version 2.2.3
+# Version 2.2.4
 ```
 
 ### Material 1.x to 2.x
@@ -38,11 +38,19 @@ pip show mkdocs-material | grep -E ^Version
 
 ## Changelog
 
+### 2.2.4 <small>_ December 18, 2017</small>
+
+* Fixed [#638][638]: Build breaks with Jinja < 2.9
+
+  [638]: https://github.com/squidfunk/mkdocs-material/issues/638
+
 ### 2.2.3 <small>_ December 13, 2017</small>
 
-* Fixed #630: Admonition sets padding on any last child
+* Fixed [#630][630]: Admonition sets padding on any last child
 * Adjusted Chinese (Traditional) translations
 
+  [630]: https://github.com/squidfunk/mkdocs-material/issues/630
+
 ### 2.2.2 <small>_ December 8, 2017</small>
 
 * Added Dutch translations
diff --git a/material/base.html b/material/base.html
index 6924479bc..41eb4db59 100644
--- a/material/base.html
+++ b/material/base.html
@@ -34,7 +34,7 @@
         <meta name="lang:{{ key }}" content="{{ lang.t(key) }}">
       {% endfor %}
       <link rel="shortcut icon" href="{{ base_url }}/{{ config.theme.favicon }}">
-      <meta name="generator" content="mkdocs-{{ mkdocs_version }}, mkdocs-material-2.2.3">
+      <meta name="generator" content="mkdocs-{{ mkdocs_version }}, mkdocs-material-2.2.4">
     {% endblock %}
     {% block htmltitle %}
       {% if page and page.meta and page.meta.title %}
diff --git a/material/partials/hero.html b/material/partials/hero.html
index d0c534fe2..9f6d77e92 100644
--- a/material/partials/hero.html
+++ b/material/partials/hero.html
@@ -1,3 +1,4 @@
+{% set feature = config.theme.feature %}
 {% set class = "md-hero" %}
 {% if not feature.tabs %}
   {% set class = "md-hero md-hero--expand" %}
diff --git a/package.json b/package.json
index a32dea3b7..0971d9411 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "mkdocs-material",
-  "version": "2.2.3",
+  "version": "2.2.4",
   "description": "A Material Design theme for MkDocs",
   "keywords": [
     "mkdocs",
diff --git a/src/partials/hero.html b/src/partials/hero.html
index 407ea24fc..eecf4f0bf 100644
--- a/src/partials/hero.html
+++ b/src/partials/hero.html
@@ -20,6 +20,9 @@
   IN THE SOFTWARE.
 -->
 
+<!-- Theme options -->
+{% set feature = config.theme.feature %}
+
 <!-- Determine class according to level -->
 {% set class = "md-hero" %}
 {% if not feature.tabs %}