diff --git a/libixion-0.14.1.tar.xz b/libixion-0.14.1.tar.xz
deleted file mode 100644
index 4494e4b..0000000
--- a/libixion-0.14.1.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:6ad1384fcf813083c6d981a16b2643c953f9bac4c2caf1ed1682921d9b69ed91
-size 360568
diff --git a/libixion-0.15.0.tar.xz b/libixion-0.15.0.tar.xz
new file mode 100644
index 0000000..75421a3
--- /dev/null
+++ b/libixion-0.15.0.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b1f60af61be875e3bfa7ad18203a6c8ccdeb9922a531e196029fc42fbfa0b9e6
+size 447388
diff --git a/libixion.changes b/libixion.changes
index dc5ee85..b6ce5c8 100644
--- a/libixion.changes
+++ b/libixion.changes
@@ -1,3 +1,12 @@
+-------------------------------------------------------------------
+Thu Aug 15 21:35:46 UTC 2019 - Jonathan Brielmaier <jbrielmaier@suse.de>
+
+- Update to 0.15.0
+  * Update for new liborcus
+  * Switched to spdlog for compile-time debug log outputs
+  * Various fixes
+- Add spdlog build dependency
+
 -------------------------------------------------------------------
 Thu Mar  7 10:05:25 UTC 2019 - Adam Majer <adam.majer@suse.de>
 
diff --git a/libixion.spec b/libixion.spec
index 2b67b47..780c526 100644
--- a/libixion.spec
+++ b/libixion.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 libname libixion-0_14-0
+%define libname libixion-0_15-0
 Name:           libixion
-Version:        0.14.1
+Version:        0.15.0
 Release:        0
 Summary:        Threaded multi-target formula parser & interpreter
 License:        MIT
@@ -30,8 +30,9 @@ BuildRequires:  gcc-c++
 BuildRequires:  libstdc++-devel
 BuildRequires:  libtool
 BuildRequires:  pkgconfig
-BuildRequires:  pkgconfig(mdds-1.4)
+BuildRequires:  pkgconfig(mdds-1.5)
 BuildRequires:  pkgconfig(python3)
+BuildRequires:  pkgconfig(spdlog) >= 0.16.0
 %if 0%{?suse_version} > 1325
 BuildRequires:  libboost_filesystem-devel
 BuildRequires:  libboost_program_options-devel