diff --git a/.gitignore b/.gitignore
index 58ed17c..276ded4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -20,3 +20,4 @@
 /libimagequant-2.13.1.tar.gz
 /libimagequant-2.14.0.tar.gz
 /libimagequant-2.14.1.tar.gz
+/libimagequant-2.15.0.tar.gz
diff --git a/5d4c07aa46e58d41146df5bed19c44c6f23c3349.patch b/5d4c07aa46e58d41146df5bed19c44c6f23c3349.patch
new file mode 100644
index 0000000..ab674f5
--- /dev/null
+++ b/5d4c07aa46e58d41146df5bed19c44c6f23c3349.patch
@@ -0,0 +1,24 @@
+From aaf1fc320b1109c194eb094a26a9d4b67326d4a5 Mon Sep 17 00:00:00 2001
+From: Markus <zyxar@users.noreply.github.com>
+Date: Tue, 11 May 2021 23:21:47 +0800
+Subject: [PATCH] Fixes Makefile for imagequant.pc
+
+removing extra `@`s in produced imagequant.pc which was introduced for cmake building
+closes #54
+---
+ Makefile | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/Makefile b/Makefile
+index 8eeea63..3210d54 100644
+--- a/Makefile
++++ b/Makefile
+@@ -134,7 +134,7 @@ ifeq ($(filter %clean %distclean, $(MAKECMDGOALS)), )
+ endif
+ 
+ $(PKGCONFIG): config.mk
+-	sed 's|PREFIX|$(PREFIX)|;s|VERSION|$(VERSION)|' < imagequant.pc.in > $(PKGCONFIG)
++	sed 's|@PREFIX@|$(PREFIX)|;s|@VERSION@|$(VERSION)|' < imagequant.pc.in > $(PKGCONFIG)
+ 
+ .PHONY: all static shared clean dist distclean dll java cargo
+ .DELETE_ON_ERROR:
diff --git a/libimagequant.spec b/libimagequant.spec
index ec26976..b3f1d42 100644
--- a/libimagequant.spec
+++ b/libimagequant.spec
@@ -1,5 +1,5 @@
 Name:           libimagequant
-Version:        2.14.1
+Version:        2.15.0
 Release:        1%{?dist}
 Summary:        Palette quantization library
 
@@ -9,6 +9,8 @@ Source0:        %{url}/archive/%{version}/%{name}-%{version}.tar.gz
 
 # Fix shared library permissions
 Patch0:         libimagequant_solibperm.patch
+# Backport fix for pkgconfig file generation
+Patch1:         https://github.com/ImageOptim/libimagequant/commit/5d4c07aa46e58d41146df5bed19c44c6f23c3349.patch
 
 BuildRequires:  gcc
 BuildRequires:  make
@@ -58,6 +60,9 @@ rm -f %{buildroot}%{_libdir}/%{name}.a
 
 
 %changelog
+* Wed May 12 2021 Sandro Mani <manisandro@gmail.com> - 2.15.0-1
+- Update to 2.15.0
+
 * Wed Mar 03 2021 Sandro Mani <manisandro@gmail.com> - 2.14.1-1
 - Update to 2.14.1
 
diff --git a/sources b/sources
index 406eda2..d8c6af8 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (libimagequant-2.14.1.tar.gz) = 2219d767555c69cdb47bb46cdeb18362358e9465d6e3a249d75c55e5a9dabd434f44908cb4756fbc12e9a786ee602192c0eb8e9d1932ade43781e80ba029bd67
+SHA512 (libimagequant-2.15.0.tar.gz) = b856daaf79dd748ed3bb4cdc432dcffebf6678f8dffd6b4b0e79b96ec9c64ebf19597de35cf56ed47d3202947f3f5f208745c2c2c92fadf6c5b62f17e61b3f13