diff --git a/README.md b/README.md
index feed52748..3867fe5d8 100644
--- a/README.md
+++ b/README.md
@@ -115,6 +115,7 @@ request.
 Changelog
 ===========
 ```
+* 1.13: fix issue with horizontal scrollbar arrows, left and right were inversed.
 * 1.12: fix minimum size of input widgets (see issue #14)
 * 1.11:
     - Fix QDockWidget title position on Mac.
diff --git a/qdarkstyle/__init__.py b/qdarkstyle/__init__.py
index f9bd1f8f6..52824f73f 100644
--- a/qdarkstyle/__init__.py
+++ b/qdarkstyle/__init__.py
@@ -32,7 +32,7 @@ import logging
 import platform
 
 
-__version__ = "1.12"
+__version__ = "1.13"
 
 
 def _logger():