diff --git a/.gitignore b/.gitignore
index 25197ec..57ba01f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -18,3 +18,4 @@
 /XlsxWriter-1.3.7.tar.gz
 /XlsxWriter-1.3.8.tar.gz
 /XlsxWriter-1.3.9.tar.gz
+/XlsxWriter-1.4.0.tar.gz
diff --git a/python-xlsxwriter.spec b/python-xlsxwriter.spec
index 8af3c14..d12a940 100644
--- a/python-xlsxwriter.spec
+++ b/python-xlsxwriter.spec
@@ -2,7 +2,7 @@
 %global src_name XlsxWriter
 
 Name:		python-%{pypi_name}
-Version:	1.3.9
+Version:	1.4.0
 Release:	1%{?dist}
 Summary:	Python module for writing files in the Excel 2007+ XLSX file format
 License:	BSD
@@ -67,6 +67,9 @@ rm -rf %{src_name}.egg-info
 %{_bindir}/vba_extract.py
 
 %changelog
+* Sun Apr 25 2021 Rajeesh K V <rajeeshknambiar@gmail.com> - 1.4.0-1
+- New release 1.4.0
+
 * Sun Apr 18 2021 Rajeesh K V <rajeeshknambiar@gmail.com> - 1.3.9-1
 - New release 1.3.9
 
diff --git a/sources b/sources
index 96230b8..e092ea6 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (XlsxWriter-1.3.9.tar.gz) = 1643b966661cd8fc46aa4b24fb426729d9ed6d51fcc8f4c92cc2ebea8ace954d55d0946b3c32ca440d16d9d14ef67c6463d5c8b41df1325870f03bb9f3936eac
+SHA512 (XlsxWriter-1.4.0.tar.gz) = 6d68c9f460632ca52b4a6d3e2643576a215e2a450bdace3614b6b7d411a164555334f3d7ff5f8c989e49f96331b381f371225f49a9ccc1cddb08210ca376685b