diff --git a/docs/about/release-notes.md b/docs/about/release-notes.md
index a9bf65fd..4fbbf079 100644
--- a/docs/about/release-notes.md
+++ b/docs/about/release-notes.md
@@ -23,6 +23,21 @@ The current and past members of the MkDocs team.
 * [@oprypin](https://github.com/oprypin/)
 * [@ultrabug](https://github.com/ultrabug/)
 
+## Version 1.3.1 (2022-07-19)
+
+* Pin Python-Markdown version to <3.4, thus excluding its latest release that breaks too many external extensions (#2893)
+
+* When a Markdown extension fails to load, print its name and traceback (#2894)
+
+* Bugfix for "readthedocs" theme (regression in 1.3.0): add missing space in breadcrumbs (#2810)
+
+* Bugfix: don't complain when a file "readme.md" (lowercase) exists, it's not recognized otherwise (#2852)
+
+* Built-in themes now also support these languages:
+    * Italian (#2860)
+
+Other small improvements; see [commit log](https://github.com/mkdocs/mkdocs/compare/1.3.0...1.3.1).
+
 ## Version 1.3.0 (2022-03-26)
 
 ### Feature upgrades
diff --git a/docs/user-guide/choosing-your-theme.md b/docs/user-guide/choosing-your-theme.md
index 4dc4fd2e..aae424fc 100644
--- a/docs/user-guide/choosing-your-theme.md
+++ b/docs/user-guide/choosing-your-theme.md
@@ -107,6 +107,7 @@ supports the following options:
     * `zh_CN`: Simplified Chinese
     * `de`: German
     * `fa`: Persian (Farsi)
+    * `it`: Italian
 
     See the guide on [localizing your theme] for more information.
 
@@ -186,6 +187,7 @@ theme supports the following options:
     * `zh_CN`: Simplified Chinese
     * `de`: German
     * `fa`: Persian (Farsi)
+    * `it`: Italian
 
     See the guide on [localizing your theme] for more information.
 
diff --git a/mkdocs/__init__.py b/mkdocs/__init__.py
index 7c761084..16b8a5cb 100644
--- a/mkdocs/__init__.py
+++ b/mkdocs/__init__.py
@@ -2,4 +2,4 @@
 
 
 # For acceptable version formats, see https://www.python.org/dev/peps/pep-0440/
-__version__ = '1.3.0'
+__version__ = '1.3.1'