diff --git a/xlsxdocument/__init__.py b/xlsxdocument/__init__.py
index e83ace7..9f6b7af 100644
--- a/xlsxdocument/__init__.py
+++ b/xlsxdocument/__init__.py
@@ -1,4 +1,4 @@
-VERSION = (1, 3, 2)
+VERSION = (1, 3, 3)
 __version__ = ".".join(map(str, VERSION))