diff --git a/CHANGELOG b/CHANGELOG
index cfeffea6f..04d4b5148 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,6 +1,8 @@
-mkdocs-material-1.12.1 (2017-10-xx)
+mkdocs-material-1.12.1 (2017-10-22)
 
+  * Added Polish, Swedish and Spanish translations
   * Improved downward compatibility with custom partials
+  * Temporarily pinned MkDocs version within Docker image to 0.16.3
   * Fixed #519: Missing theme configuration file
 
 mkdocs-material-1.12.0 (2017-10-20)
diff --git a/docs/getting-started.md b/docs/getting-started.md
index 31935601f..18d77521e 100644
--- a/docs/getting-started.md
+++ b/docs/getting-started.md
@@ -379,8 +379,9 @@ automatically included.
 #### Translations
 
 Material for MkDocs supports internationalization (i18n) and provides
-translations for all template variables and labels in English `en`, Danish `da`
-and German `de`. Specify the language with:
+translations for all template variables and labels in English `en`, Danish `da`,
+German `de`, Polish `pl`, Swedish `sv` and Spanish `es`. Specify the language
+with:
 
 ``` yaml
 extra:
diff --git a/docs/release-notes.md b/docs/release-notes.md
index 3b3ca9f0c..c858d0594 100644
--- a/docs/release-notes.md
+++ b/docs/release-notes.md
@@ -12,11 +12,20 @@ To determine the currently installed version, use the following command:
 
 ``` sh
 pip show mkdocs-material | grep -E ^Version
-# Version 1.12.0
+# Version 1.12.1
 ```
 
 ## Changelog
 
+### 1.12.1 <small>_ October 22, 2017</small>
+
+* Added Polish, Swedish and Spanish translations
+* Improved downward compatibility with custom partials
+* Temporarily pinned MkDocs version within Docker image to 0.16.3
+* Fixed [#519][519]: Missing theme configuration file
+
+  [519]: https://github.com/squidfunk/mkdocs-material/issues/519
+
 ### 1.12.0 <small>_ October 20, 2017</small>
 
 * Added support for setting language(s) via `mkdocs.yml`
diff --git a/material/base.html b/material/base.html
index a4295ba76..249dc20f7 100644
--- a/material/base.html
+++ b/material/base.html
@@ -35,7 +35,7 @@
       {% else %}
         <link rel="shortcut icon" href="{{ base_url }}/assets/images/favicon.png">
       {% endif %}
-      <meta name="generator" content="mkdocs-{{ mkdocs_version }}, mkdocs-material-1.12.0">
+      <meta name="generator" content="mkdocs-{{ mkdocs_version }}, mkdocs-material-1.12.1">
     {% endblock %}
     {% block htmltitle %}
       {% if page and page.meta.title %}
diff --git a/package.json b/package.json
index 27a5c43ea..f9d3ec775 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "mkdocs-material",
-  "version": "1.12.0",
+  "version": "1.12.1",
   "description": "A Material Design theme for MkDocs",
   "keywords": [
     "mkdocs",
diff --git a/requirements.txt b/requirements.txt
index c391d97aa..a9f32d4e8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,6 +18,6 @@
 # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 # IN THE SOFTWARE.
 
-mkdocs>=0.16
+mkdocs==0.16.3
 Pygments>=2.2
 pymdown-extensions>=3.4