diff --git a/.gitignore b/.gitignore
index 72458e7..109b09f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,3 +13,4 @@
 /XlsxWriter-1.3.1.tar.gz
 /XlsxWriter-1.3.2.tar.gz
 /XlsxWriter-1.3.3.tar.gz
+/XlsxWriter-1.3.4.tar.gz
diff --git a/python-xlsxwriter.spec b/python-xlsxwriter.spec
index d187806..6768999 100644
--- a/python-xlsxwriter.spec
+++ b/python-xlsxwriter.spec
@@ -2,7 +2,7 @@
 %global src_name XlsxWriter
 
 Name:		python-%{pypi_name}
-Version:	1.3.3
+Version:	1.3.4
 Release:	1%{?dist}
 Summary:	Python module for writing files in the Excel 2007+ XLSX file format
 License:	BSD
@@ -67,6 +67,10 @@ rm -rf %{src_name}.egg-info
 %{_bindir}/vba_extract.py
 
 %changelog
+* Sun Sep 20 2020 Rajeesh K V <rajeeshknambiar@gmail.com> - 1.3.4-1
+- Replaced internal MD5 with SHA256 digest to avoid issues on OS such as Red Hat
+  in FIPS mode
+
 * Wed Aug 26 2020 Rajeesh K V <rajeeshknambiar@gmail.com> - 1.3.3-1
 - Added ignore_errors() worksheet method; Added warning when closing a file more
   than once via close()
diff --git a/sources b/sources
index 46571e1..88638df 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (XlsxWriter-1.3.3.tar.gz) = eb5be783ed97842a470b8f8c76cdcd4343c3105bc32416ab1f832594e263c962c97d011c83f24ae88843bc35adc6088e9bd0db5b37e606d268de85c96e8b2a27
+SHA512 (XlsxWriter-1.3.4.tar.gz) = 5c0dbd4f90b97862c11e45da5cfe762a537e09a14e4b09593dc13151843dc48cbbbb8a3b320e80f663dcc458bab9fdf3476f62f33b5c22af4a730496ab14eb89