diff --git a/nv-codec-headers-n11.1.5.1.tar.gz b/nv-codec-headers-n11.1.5.1.tar.gz
new file mode 100644
index 0000000..dd89ca7
Binary files /dev/null and b/nv-codec-headers-n11.1.5.1.tar.gz differ
diff --git a/nv-codec-headers-n9.1.23.1.tar.gz b/nv-codec-headers-n9.1.23.1.tar.gz
deleted file mode 100644
index e2977e3..0000000
Binary files a/nv-codec-headers-n9.1.23.1.tar.gz and /dev/null differ
diff --git a/nv-codec-headers.spec b/nv-codec-headers.spec
index 783fe0d..3376c7e 100644
--- a/nv-codec-headers.spec
+++ b/nv-codec-headers.spec
@@ -1,10 +1,10 @@
 Name:           nv-codec-headers
-Version:        9.1.23.1
+Version:        11.1.5.1
 Release:        1
 Summary:        FFmpeg version of Nvidia Codec SDK headers
 License:        MIT
 URL:            https://github.com/FFmpeg/nv-codec-headers
-Source0:        %url/archive/n%{version}/%{name}-n%{version}.tar.gz
+Source0:        https://github.com/FFmpeg/nv-codec-headers/archive/n%{version}/%{name}-n%{version}.tar.gz
 BuildArch:      noarch
 
 %description
@@ -13,6 +13,8 @@ FFmpeg version of headers required to interface with Nvidias codec APIs.
 %prep
 %autosetup -n %{name}-n%{version}
 sed -i -e 's@/include@/include/ffnvcodec@g' ffnvcodec.pc.in
+sed -n '4,25p' include/ffnvcodec/nvEncodeAPI.h > LICENSE
+sed -i '1,22s/^.\{,3\}//' LICENSE
 
 %build
 %make_build PREFIX=%{_prefix} LIBDIR=/share
@@ -22,9 +24,13 @@ sed -i -e 's@/include@/include/ffnvcodec@g' ffnvcodec.pc.in
 
 %files
 %doc README
+%license LICENSE
 %{_includedir}/ffnvcodec/
 %{_datadir}/pkgconfig/ffnvcodec.pc
 
 %changelog
+* Wed Jan 12 2022 Leigh Scott <leigh123linux@gmail.com> - 11.1.5.1-1
+- Update to 11.1.5.1
+
 * Fri May 07 2021 weidong <weidong@unionetch.com> - 9.1.23.1-1
 - Initial package.