diff --git a/glpk-4.60.tar.gz b/glpk-4.60.tar.gz
deleted file mode 100644
index 26ddbc3..0000000
--- a/glpk-4.60.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:1356620cb0a0d33ac3411dd49d9fd40d53ece73eaec8f6b8d19a77887ff5e297
-size 4160915
diff --git a/glpk-4.60.tar.gz.sig b/glpk-4.60.tar.gz.sig
deleted file mode 100644
index 8401fff..0000000
Binary files a/glpk-4.60.tar.gz.sig and /dev/null differ
diff --git a/glpk-4.61.tar.gz b/glpk-4.61.tar.gz
new file mode 100644
index 0000000..0cdda3f
--- /dev/null
+++ b/glpk-4.61.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9866de41777782d4ce21da11b88573b66bb7858574f89c28be6967ac22dfaba9
+size 4116291
diff --git a/glpk-4.61.tar.gz.sig b/glpk-4.61.tar.gz.sig
new file mode 100644
index 0000000..f7c5ecf
Binary files /dev/null and b/glpk-4.61.tar.gz.sig differ
diff --git a/glpk.changes b/glpk.changes
index f37c3dd..7a8d919 100644
--- a/glpk.changes
+++ b/glpk.changes
@@ -1,3 +1,14 @@
+-------------------------------------------------------------------
+Mon Jan 23 16:00:00 UTC 2017 - mpluskal@suse.com
+
+- Update to version 4.61:
+  * An option was added to build a re-entrant version of the
+    package suitable for running in a multi-threaded environment.
+  * A re-entrant version of the package allows running multiple
+    independent instances of glpk in different threads of a
+    multi-threaded application.
+- Use savannah as source for gpg keyring
+
 -------------------------------------------------------------------
 Fri Apr  1 11:44:47 UTC 2016 - mpluskal@suse.com
 
diff --git a/glpk.keyring b/glpk.keyring
index 46f2f4e..f5a8bc3 100644
Binary files a/glpk.keyring and b/glpk.keyring differ
diff --git a/glpk.spec b/glpk.spec
index 37bd608..af9ed2f 100644
--- a/glpk.spec
+++ b/glpk.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package glpk
 #
-# Copyright (c) 2016 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2017 SUSE LINUX GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -18,7 +18,7 @@
 
 %define lname   libglpk40
 Name:           glpk
-Version:        4.60
+Version:        4.61
 Release:        0
 Summary:        GNU Linear Programming Kit
 License:        GPL-3.0
@@ -26,11 +26,10 @@ Group:          Productivity/Scientific/Math
 Url:            https://www.gnu.org/software/glpk/glpk.html
 Source0:        https://ftp.gnu.org/gnu/glpk/%{name}-%{version}.tar.gz
 Source1:        https://ftp.gnu.org/gnu/glpk/%{name}-%{version}.tar.gz.sig
-Source2:        %{name}.keyring
+Source2:        https://savannah.gnu.org/project/memberlist-gpgkeys.php?group=%{name}&download=1#/%{name}.keyring
 BuildRequires:  ghostscript
 BuildRequires:  gmp-devel
 BuildRequires:  texlive
-BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 
 %description
 The GLPK package is intended for solving large-scale linear