diff --git a/.gitignore b/.gitignore
index 8ed7399..54d6ef9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -17,3 +17,4 @@
 /libimagequant-2.12.5.tar.gz
 /libimagequant-2.12.6.tar.gz
 /libimagequant-2.13.0.tar.gz
+/libimagequant-2.13.1.tar.gz
diff --git a/libimagequant.spec b/libimagequant.spec
index b691a3e..640089e 100644
--- a/libimagequant.spec
+++ b/libimagequant.spec
@@ -1,5 +1,5 @@
 Name:           libimagequant
-Version:        2.13.0
+Version:        2.13.1
 Release:        1%{?dist}
 Summary:        Palette quantization library
 
@@ -11,6 +11,7 @@ Source0:        %{url}/archive/%{version}/%{name}-%{version}.tar.gz
 Patch0:         libimagequant_solibperm.patch
 
 BuildRequires:  gcc
+BuildRequires:  make
 
 %description
 Small, portable C library for high-quality conversion of RGBA images to 8-bit
@@ -57,6 +58,9 @@ rm -f %{buildroot}%{_libdir}/%{name}.a
 
 
 %changelog
+* Sun Nov 22 2020 Sandro Mani <manisandro@gmail.com> - 2.13.1-1
+- Update to 2.13.1
+
 * Mon Oct 19 2020 Sandro Mani <manisandro@gmail.com> - 2.13.0-1
 - Update to 2.13.0
 
diff --git a/libimagequant_solibperm.patch b/libimagequant_solibperm.patch
index 1fccb2b..50ecefb 100644
--- a/libimagequant_solibperm.patch
+++ b/libimagequant_solibperm.patch
@@ -1,6 +1,6 @@
-diff -rupN --no-dereference libimagequant-2.13.0/Makefile libimagequant-2.13.0-new/Makefile
---- libimagequant-2.13.0/Makefile	2020-10-18 23:05:27.000000000 +0200
-+++ libimagequant-2.13.0-new/Makefile	2020-10-19 17:06:08.703966318 +0200
+diff -rupN --no-dereference libimagequant-2.13.1/Makefile libimagequant-2.13.1-new/Makefile
+--- libimagequant-2.13.1/Makefile	2020-11-22 14:18:54.000000000 +0100
++++ libimagequant-2.13.1-new/Makefile	2020-11-22 16:10:02.894988747 +0100
 @@ -114,7 +114,7 @@ install: all $(PKGCONFIG)
  	install -d $(DESTDIR)$(PKGCONFIGDIR)
  	install -d $(DESTDIR)$(INCLUDEDIR)
diff --git a/sources b/sources
index d0beea1..272a0ce 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (libimagequant-2.13.0.tar.gz) = 6e6a8a69bac49e8025a66613d6616e2aee7136d9cbe040ba1bd4ec2a209c503785c45c6217f6b381864ebc562ebf780b6d6ebc995638552b91b0134fa743df58
+SHA512 (libimagequant-2.13.1.tar.gz) = 2146e44cc72955b7fdbda9e5d34403b05af29d202fe2d9ee5363c2cccfb46e37570d2a42b2a6e87c3cd02752887d590fe9a18365aa0db1e53869a9e3d1f0b062