diff --git a/.gitignore b/.gitignore
index f1c5131..7ea938a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -38,3 +38,4 @@ glibmm-2.24.1.tar.bz2
 /glibmm-2.49.4.tar.xz
 /glibmm-2.49.5.tar.xz
 /glibmm-2.50.0.tar.xz
+/glibmm-2.51.6.tar.xz
diff --git a/mingw-glibmm24.spec b/mingw-glibmm24.spec
index 9f68ec3..8cf7575 100644
--- a/mingw-glibmm24.spec
+++ b/mingw-glibmm24.spec
@@ -4,8 +4,8 @@
 %global release_version %(echo %{version} | awk -F. '{print $1"."$2}')
 
 Name:           mingw-glibmm24
-Version:        2.50.0
-Release:        2%{?dist}
+Version:        2.51.6
+Release:        1%{?dist}
 Summary:        MinGW Windows C++ interface for GTK2 (a GUI library for X)
 
 License:        LGPLv2+
@@ -138,6 +138,9 @@ rm -r $RPM_BUILD_ROOT%{mingw64_datadir}/devhelp
 
 
 %changelog
+* Fri May 05 2017 Thomas Sailer <t.sailer@alumni.ethz.ch> - 2.51.6-1
+- update to 2.51.6
+
 * Fri Feb 10 2017 Fedora Release Engineering <releng@fedoraproject.org> - 2.50.0-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild
 
diff --git a/sources b/sources
index 1a33d98..4e888e9 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-e7416beff6cba1f38c2bccd0dc8c3278  glibmm-2.50.0.tar.xz
+SHA512 (glibmm-2.51.6.tar.xz) = 12ff8c5e876d1de09fbda31d0a3ea003d367617968929ca694cdbf070ec204ba3a167086814c32d9a69b55619c04290b75b6812dbaf380706b67eda668304de6