diff --git a/libsidplayfp-2.11.0.tar.gz b/libsidplayfp-2.11.0.tar.gz
deleted file mode 100644
index a3912ba..0000000
--- a/libsidplayfp-2.11.0.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:46af5bdc36649dca8cda8631428c91946ba131824ca3b3eca37dc67e2530bc5c
-size 813488
diff --git a/libsidplayfp-2.12.0.tar.gz b/libsidplayfp-2.12.0.tar.gz
new file mode 100644
index 0000000..a8d30b1
--- /dev/null
+++ b/libsidplayfp-2.12.0.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:bc4f4fa203dcf0736fe48c23dce9aa0db825370e5941e7595e4851efe6937cdc
+size 834173
diff --git a/libsidplayfp.changes b/libsidplayfp.changes
index 527f28a..8380896 100644
--- a/libsidplayfp.changes
+++ b/libsidplayfp.changes
@@ -1,3 +1,13 @@
+-------------------------------------------------------------------
+Tue Dec  3 19:10:13 UTC 2024 - Martin Hauke <mardnh@gmx.de>
+
+- Update to version 2.12.0
+  * Better mixing for multi chip tunes.
+  * fixed voice sync when a saw-combined waveform is selected.
+  * residfp: updated CW parameters.
+  * resid: properly adjusted 8580 Vref value.
+  * switched to UTPP for unit tests.
+
 -------------------------------------------------------------------
 Sun Nov  3 19:36:00 UTC 2024 - Martin Hauke <mardnh@gmx.de>
 
diff --git a/libsidplayfp.spec b/libsidplayfp.spec
index 232e613..6e0c7ee 100644
--- a/libsidplayfp.spec
+++ b/libsidplayfp.spec
@@ -19,14 +19,14 @@
 %define soname 6
 %define stilview_soname 0
 Name:           libsidplayfp
-Version:        2.11.0
+Version:        2.12.0
 Release:        0
 Summary:        A library to play Commodore 64 music
 License:        GPL-2.0-or-later
 Group:          System/Libraries
 #Git-Clone:     https://github.com/libsidplayfp/libsidplayfp.git
 URL:            https://sourceforge.net/projects/sidplay-residfp/
-Source0:        https://sourceforge.net/projects/sidplay-residfp/files/libsidplayfp/2.11/libsidplayfp-%{version}.tar.gz
+Source0:        https://sourceforge.net/projects/sidplay-residfp/files/libsidplayfp/2.12/libsidplayfp-%{version}.tar.gz
 BuildRequires:  gcc-c++
 BuildRequires:  libgcrypt-devel
 BuildRequires:  pkgconfig