diff --git a/libsigc++-2.99.11.tar.xz b/libsigc++-2.99.11.tar.xz
deleted file mode 100644
index 5273673..0000000
--- a/libsigc++-2.99.11.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:177fb08df33da71780eef2ce4c5991a2b3b6d07d4ad1efbf6ad38f7964e4bb55
-size 951848
diff --git a/libsigc++-2.99.12.tar.xz b/libsigc++-2.99.12.tar.xz
new file mode 100644
index 0000000..5856eb3
--- /dev/null
+++ b/libsigc++-2.99.12.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d902ae277f5baf2d56025586e2153cc2f158472e382723c67f49049f7c6690a8
+size 948604
diff --git a/libsigc++3.changes b/libsigc++3.changes
index 50e0082..28f9b43 100644
--- a/libsigc++3.changes
+++ b/libsigc++3.changes
@@ -1,3 +1,17 @@
+-------------------------------------------------------------------
+Mon Dec  3 18:01:19 UTC 2018 - bjorn.lie@gmail.com
+
+- Update to version 2.99.12:
+  + Avoid compiler warnings from function pointer conversions.
+  + Build:
+    - Replace the Visual Studio project files with MSVC NMake
+      project files.
+    - Add MSVC_NMake/README.txt for Visual Studio builds.
+    - cmake: Require C++17 support.
+  + Documentation:
+    - Update links in README, configure.ac, libsigcplusplus.doap.
+    - README: Update compiler requirement.
+
 -------------------------------------------------------------------
 Tue Apr 10 21:07:35 UTC 2018 - bjorn.lie@gmail.com
 
diff --git a/libsigc++3.spec b/libsigc++3.spec
index b634fe8..a5ac034 100644
--- a/libsigc++3.spec
+++ b/libsigc++3.spec
@@ -12,13 +12,13 @@
 # license that conforms to the Open Source Definition (Version 1.9)
 # published by the Open Source Initiative.
 
-# Please submit bugfixes or comments via http://bugs.opensuse.org/
+# Please submit bugfixes or comments via https://bugs.opensuse.org/
 #
 
 
 %define _name libsigc++
 Name:           libsigc++3
-Version:        2.99.11
+Version:        2.99.12
 Release:        0
 Summary:        Typesafe Signal Framework for C++
 License:        LGPL-3.0-or-later