diff --git a/grandorgue-3.14.2-1.tar.gz b/grandorgue-3.14.2-1.tar.gz
deleted file mode 100644
index 0fcd1ce..0000000
--- a/grandorgue-3.14.2-1.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:35735b9e37b83e563f6e97bf527d6e788f5dde08bf8c6adf5af8689b3da1149b
-size 28282673
diff --git a/grandorgue-3.15.0-1.tar.gz b/grandorgue-3.15.0-1.tar.gz
new file mode 100644
index 0000000..d0b21ce
--- /dev/null
+++ b/grandorgue-3.15.0-1.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4bd36621b365d7028109bb63a1d1a7b5085c93079f1fb610d843ccfb491a7133
+size 28403959
diff --git a/grandorgue.changes b/grandorgue.changes
index 35a2415..cfa462e 100644
--- a/grandorgue.changes
+++ b/grandorgue.changes
@@ -1,3 +1,15 @@
+-------------------------------------------------------------------
+Thu Aug  8 20:42:25 UTC 2024 - Lukas Müller <expeehaa@outlook.com>
+
+- Update to version 3.15.0.
+  Changelog: https://github.com/GrandOrgue/grandorgue/releases/tag/3.15.0-1
+  - Added capability of regex matching audio device names https://github.com/GrandOrgue/grandorgue/issues/1265
+  - Added a checkbox-based Stops dialog (Audio/Midi -> Stops) https://github.com/GrandOrgue/grandorgue/issues/1816
+  - Fixed not compatibilyty between polyphase interpolation and loseless compression https://github.com/GrandOrgue/grandorgue/issues/710
+  - Fixed not sounding of pipe after an enclosure has closed to zero and then opened https://github.com/GrandOrgue/grandorgue/issues/1813
+  - Added Midi listener for Panic button and Exit GO function. https://github.com/GrandOrgue/grandorgue/issues/1905
+  - Added a tone balance (bass/treble harmonics balance) voicing option
+
 -------------------------------------------------------------------
 Mon Apr 29 18:44:26 UTC 2024 - Lukas Müller <expeehaa@outlook.com>
 
diff --git a/grandorgue.spec b/grandorgue.spec
index c57860b..e715b1a 100644
--- a/grandorgue.spec
+++ b/grandorgue.spec
@@ -19,7 +19,7 @@
 %define version_suffix 1
 
 Name:           grandorgue
-Version:        3.14.2
+Version:        3.15.0
 Release:        0
 Summary:        Virtual Pipe Organ Software
 License:        GPL-2.0-or-later
@@ -67,7 +67,7 @@ This package contains the demo sampleset for GrandOrgue.
 
 %build
 %cmake -DDOC_INSTALL_DIR=%{_docdir} \
-       -DLIBINSTDIR=%{_lib} \
+       -DUSE_BUILD_SYSTEM_LIBDIR=ON \
        -DUSE_INTERNAL_RTAUDIO=OFF \
        -DUSE_INTERNAL_PORTAUDIO=OFF \
        -DUSE_INTERNAL_ZITACONVOLVER=OFF