diff --git a/libimagequant-2.14.0.tar.gz b/libimagequant-2.14.0.tar.gz
deleted file mode 100644
index cb4eafe..0000000
Binary files a/libimagequant-2.14.0.tar.gz and /dev/null differ
diff --git a/libimagequant-2.15.1.tar.gz b/libimagequant-2.15.1.tar.gz
new file mode 100644
index 0000000..2d407b2
Binary files /dev/null and b/libimagequant-2.15.1.tar.gz differ
diff --git a/libimagequant.spec b/libimagequant.spec
index 162cf55..7a027a5 100644
--- a/libimagequant.spec
+++ b/libimagequant.spec
@@ -1,13 +1,12 @@
 Name:           libimagequant
-Version:        2.14.0
-Release:        2
+Version:        2.15.1
+Release:        1
 Summary:        Palette quantization library
 License:        GPLv3+ and MIT
 URL:            https://github.com/ImageOptim/libimagequant
 Source0:        %{url}/archive/%{version}/%{name}-%{version}.tar.gz
 
 Patch0000:      libimagequant_solibperm.patch
-Patch0001:      libimagequant_omp.patch
 
 BuildRequires:  gcc
 
@@ -48,6 +47,9 @@ rm -f %{buildroot}%{_libdir}/%{name}.a
 %{_libdir}/pkgconfig/imagequant.pc
 
 %changelog
+* Fri Dec 03 2021 xingxing <xingxing9@huawei.com> - 2.15.1-1
+- update to 2.15.1
+
 * Tue Jun 08 2021 liuyumeng <liuyumeng5@huawei.com> - 2.14.0-2
 - Add a BuildRequires for gcc
 
diff --git a/libimagequant_omp.patch b/libimagequant_omp.patch
deleted file mode 100644
index 011e045..0000000
--- a/libimagequant_omp.patch
+++ /dev/null
@@ -1,21 +0,0 @@
-diff -rupN libimagequant-2.14.0/libimagequant.c libimagequant-2.14.0-new/libimagequant.c
----
- libimagequant.c | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
-diff --git a/libimagequant.c b/libimagequant.c
-index 4f0b48f..047c042 100644
---- a/libimagequant.c
-+++ b/libimagequant.c
-@@ -1279,7 +1279,7 @@ LIQ_NONNULL static float remap_to_palette(liq_image *const input_image, unsigned
- 
- #if __GNUC__ >= 9 || __clang__
-     #pragma omp parallel for if (rows*cols > 3000) \
--        schedule(static) default(none) shared(acolormap,average_color,cols,input_image,map,n,output_pixels,rows,transparent_index) reduction(+:remapping_error)
-+        schedule(static) default(none) shared(acolormap,average_color,cols,input_image,map,n,output_pixels,rows,transparent_index,background) reduction(+:remapping_error)
- #else
-     #pragma omp parallel for if (rows*cols > 3000) \
-         schedule(static) default(none) shared(acolormap) shared(average_color) reduction(+:remapping_error)
--- 
-2.23.0
-