diff --git a/CHANGES.rst b/CHANGES.rst
index 81294a00..e25c1563 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,3 +1,9 @@
+Version 2.1.3
+-------------
+
+Unreleased
+
+
 Version 2.1.2
 -------------
 
diff --git a/src/markupsafe/__init__.py b/src/markupsafe/__init__.py
index 7166b192..b2faa466 100644
--- a/src/markupsafe/__init__.py
+++ b/src/markupsafe/__init__.py
@@ -11,7 +11,7 @@ def __html__(self) -> str:
             pass
 
 
-__version__ = "2.1.2"
+__version__ = "2.1.3.dev"
 
 _strip_comments_re = re.compile(r"<!--.*?-->", re.DOTALL)
 _strip_tags_re = re.compile(r"<.*?>", re.DOTALL)