diff --git a/libimagequant-2.17.0.tar.gz b/libimagequant-2.17.0.tar.gz
deleted file mode 100644
index c62cfd4..0000000
--- a/libimagequant-2.17.0.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:9f6cc50182be4d2ece75118aa0b0fd3e9bbad06e94fd6b9eb3a4c08129c2dd26
-size 99343
diff --git a/libimagequant-2.18.0.tar.gz b/libimagequant-2.18.0.tar.gz
new file mode 100644
index 0000000..a8faa57
--- /dev/null
+++ b/libimagequant-2.18.0.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:790d2593a587f9a27cec6245ee7a212b34b0aa63cac6383e550eda01236be636
+size 382092
diff --git a/libimagequant.changes b/libimagequant.changes
index 50b4a24..76c8290 100644
--- a/libimagequant.changes
+++ b/libimagequant.changes
@@ -1,3 +1,11 @@
+-------------------------------------------------------------------
+Sun Jan 29 18:44:24 UTC 2023 - Dirk Müller <dmueller@suse.com>
+
+- update to 2.18:
+  - added more perceptually-weighed color selection
+  - dropped problematic omp_set_nested()
+  - fixed a rare memory leak
+
 -------------------------------------------------------------------
 Mon Aug  8 16:00:39 UTC 2022 - Dirk Müller <dmueller@suse.com>
 
diff --git a/libimagequant.spec b/libimagequant.spec
index 66c7450..3f3eba8 100644
--- a/libimagequant.spec
+++ b/libimagequant.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package libimagequant
 #
-# Copyright (c) 2022 SUSE LLC
+# Copyright (c) 2023 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -19,7 +19,7 @@
 %define sover   0
 %define libname %{name}%{sover}
 Name:           libimagequant
-Version:        2.17.0
+Version:        2.18.0
 Release:        0
 Summary:        Palette quantization library
 License:        GPL-3.0-or-later