diff --git a/sources b/sources
index 97eb4a1..e562bd1 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (zsh-5.5.1.tar.xz) = 37156ff682f8ec337526c8f93a0a2031000bb0b4b2a59e04158aae3f0fb667f4d9898d6f2bae8abe3dd2839f760f2e335484e016564a4a59097273a1f64da0c2
+SHA512 (zsh-5.6.tar.xz) = 791cbeff45a5ef86608341147724f8b301a50eae1500f94eaaef1074c14c516c32d3f5628b8b16dbe42b7ad812c1a221240c1d4c5cd240144a00976c196f0735
diff --git a/zsh-5.5.1.tar.xz.asc b/zsh-5.5.1.tar.xz.asc
deleted file mode 100644
index c4f8955..0000000
--- a/zsh-5.5.1.tar.xz.asc
+++ /dev/null
@@ -1,11 +0,0 @@
------BEGIN PGP SIGNATURE-----
-Version: GnuPG v1
-
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-=uo1d
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diff --git a/zsh-5.6.tar.xz.asc b/zsh-5.6.tar.xz.asc
new file mode 100644
index 0000000..19699dc
--- /dev/null
+++ b/zsh-5.6.tar.xz.asc
@@ -0,0 +1,16 @@
+-----BEGIN PGP SIGNATURE-----
+
+iQIrBAABCAAdFiEEbrYLY3zlrL8kSaLa2yfpl0Ka8gwFAluNUFAACgkQ2yfpl0Ka
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++QDwiUzKRH7frYDruoa5zZv2yut5pQvLGItdEc6J
+=1CeE
+-----END PGP SIGNATURE-----
diff --git a/zsh.spec b/zsh.spec
index 2d13c7e..3122a27 100644
--- a/zsh.spec
+++ b/zsh.spec
@@ -1,7 +1,7 @@
 Summary: Powerful interactive shell
 Name: zsh
-Version: 5.5.1
-Release: 2%{?dist}
+Version: 5.6
+Release: 1%{?dist}
 License: MIT
 URL: http://zsh.sourceforge.net/
 Source0: https://downloads.sourceforge.net/%{name}/%{name}-%{version}.tar.xz
@@ -167,6 +167,9 @@ fi
 %doc Doc/*.html
 
 %changelog
+* Tue Sep 04 2018 Kamil Dudka <kdudka@redhat.com> - 5.6-1
+- update to latest upstream release (fixes CVE-2018-0502 and CVE-2018-13259)
+
 * Sat Jul 14 2018 Fedora Release Engineering <releng@fedoraproject.org> - 5.5.1-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_29_Mass_Rebuild