diff --git a/libsidplayfp-2.5.1.tar.gz b/libsidplayfp-2.5.1.tar.gz
deleted file mode 100644
index 0495059..0000000
--- a/libsidplayfp-2.5.1.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:e0b05169aea29136137809a859397272ce240e471b463c634df444f8e4071299
-size 808633
diff --git a/libsidplayfp-2.6.0.tar.gz b/libsidplayfp-2.6.0.tar.gz
new file mode 100644
index 0000000..a921a43
--- /dev/null
+++ b/libsidplayfp-2.6.0.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:cc6bb9418ad3f64772c54c011552b113f8ef82f9820d74d4c2fed5976d4905e9
+size 810169
diff --git a/libsidplayfp.changes b/libsidplayfp.changes
index a2f3a5c..7f5e2ba 100644
--- a/libsidplayfp.changes
+++ b/libsidplayfp.changes
@@ -1,3 +1,13 @@
+-------------------------------------------------------------------
+Mon Jan  1 10:04:11 UTC 2024 - Martin Hauke <mardnh@gmx.de>
+
+- Update to version 2.6.0
+  * residfp is now thread-safe.
+  * residfp: fixed SSE2 version of convolve.
+  * residfp: updated combined waveforms model.
+  * residfp: amplify the output by a model dependent scale factor.
+  * a couple of autotools fixes.
+
 -------------------------------------------------------------------
 Sat Dec 23 11:33:14 UTC 2023 - Martin Hauke <mardnh@gmx.de>
 
diff --git a/libsidplayfp.spec b/libsidplayfp.spec
index 6a57c8d..ee6394f 100644
--- a/libsidplayfp.spec
+++ b/libsidplayfp.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package libsidplayfp
 #
-# Copyright (c) 2023 SUSE LLC
+# Copyright (c) 2024 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -19,14 +19,14 @@
 %define soname 6
 %define stilview_soname 0
 Name:           libsidplayfp
-Version:        2.5.1
+Version:        2.6.0
 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/2.5/libsidplayfp-%{version}.tar.gz
+Source0:        https://sourceforge.net/projects/sidplay-residfp/files/libsidplayfp/2.6/libsidplayfp-%{version}.tar.gz
 BuildRequires:  gcc-c++
 BuildRequires:  libgcrypt-devel
 BuildRequires:  pkgconfig