diff --git a/.gitignore b/.gitignore
index 10c998b..b20b954 100644
--- a/.gitignore
+++ b/.gitignore
@@ -59,3 +59,4 @@ fldigi-3.20.20.tar.gz
 /fldigi-4.0.9.tar.gz
 /fldigi-4.0.10.tar.gz
 /fldigi-4.0.12.tar.gz
+/fldigi-4.0.13.tar.gz
diff --git a/fldigi.spec b/fldigi.spec
index e86552e..0a761a9 100644
--- a/fldigi.spec
+++ b/fldigi.spec
@@ -1,13 +1,11 @@
 Name:           fldigi
-Version:        4.0.12
+Version:        4.0.13
 Release:        1%{?dist}
 Summary:        Digital modem program for Linux
-License:        GPLv3+  
 
+License:        GPLv3+  
 URL:            http://www.w1hkj.com/Fldigi.html
-
 Source0:        http://www.w1hkj.com/files/%{name}/%{name}-%{version}.tar.gz
-
 Source1:        http://www.w1hkj.com/files/%{name}/%{name}_4.0_help.pdf
 Source100:      fldigi.appdata.xml
 
@@ -131,6 +129,9 @@ fi
 
 
 %changelog
+* Sun Dec 31 2017 Richard Shaw <hobbes1069@gmail.com> - 4.0.13-1
+- Update to latest upstream release.
+
 * Sat Oct 28 2017 Richard Shaw <hobbes1069@gmail.com> - 4.0.12-1
 - Update to latest upstream release.
 
diff --git a/sources b/sources
index a7aee36..dd9e2a7 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (fldigi-4.0.12.tar.gz) = f8fd5d2d761a963820c08ffd01cf6849309eb0ea47cd07429f8dac43af7490deb0a3d62aba8b8ca122ea2d6f2747f2bcf122fc02c9fce64f0c0e1f81ca5d9344
+SHA512 (fldigi-4.0.13.tar.gz) = e5a74da404657356663dd5c115572efcf6525fb8851f5b6e9efc49c042d281d9cbf163ac99ee63396cb08737a5ae9223c1c985d72483b7031b5003174ac80d0d