diff --git a/.gitignore b/.gitignore
index 98b71d4..f08c6cb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -43,3 +43,4 @@ SimGear-2.0.0.tar.gz
 /simgear-2020.3.10.tar.bz2
 /simgear-2020.3.11.tar.bz2
 /simgear-2020.3.12.tar.bz2
+/simgear-2020.3.13.tar.bz2
diff --git a/SimGear.spec b/SimGear.spec
index 8025631..c83d23d 100644
--- a/SimGear.spec
+++ b/SimGear.spec
@@ -1,5 +1,5 @@
 Name:           SimGear
-Version:        2020.3.12
+Version:        2020.3.13
 Release:        1%{?dist}
 License:        GPLv2+
 Summary:        Simulation library components
@@ -76,6 +76,9 @@ patch -p2 < %{PATCH1}
 %{_libdir}/cmake/SimGear
 
 %changelog
+* Thu Mar 31 2022 Fabrice Bellet <fabrice@bellet.info> - 2020.3.13-1
+- new upstream release
+
 * Fri Feb 04 2022 Fabrice Bellet <fabrice@bellet.info> - 2020.3.12-1
 - new upstream release
 
diff --git a/sources b/sources
index 78203ca..951b3a1 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (simgear-2020.3.12.tar.bz2) = 2292c5c43b485fdf4b814b25eae8caa2ed16e043a159328aa5e35a27f9a4fd250219e8b506da1361916bd1d314bb857d3bd1343b1b6b34890bf06c63705c8dbc
+SHA512 (simgear-2020.3.13.tar.bz2) = 1128c6026cebc902f1d411a6013b3d406664ebae5b209248d15c55895823715066d18ca442af2642577d69c6f68d6d02daf64ebbc9bfe43142aae30b9ce1ae62