diff --git a/fix_pkconfig_pc_file.patch b/fix_pkconfig_pc_file.patch
deleted file mode 100644
index 1410cf0..0000000
--- a/fix_pkconfig_pc_file.patch
+++ /dev/null
@@ -1,38 +0,0 @@
-From 4e4a254bc85ea41af93a048f1713ef27e04c01ab Mon Sep 17 00:00:00 2001
-From: =?UTF-8?q?J=C3=B3zef=20Kucia?= <joseph.kucia@gmail.com>
-Date: Fri, 9 Feb 2018 12:30:08 +0100
-Subject: [PATCH] Do not hardcode libdir and includedir in pkg config files
-
----
- CMakeLists.txt                 | 4 ++++
- cmake/SPIRV-Tools-shared.pc.in | 4 ++--
- cmake/SPIRV-Tools.pc.in        | 4 ++--
- 3 files changed, 8 insertions(+), 4 deletions(-)
-
-diff --git a/CMakeLists.txt b/CMakeLists.txt
-index 011baf9b0..a2fc21620 100644
---- a/CMakeLists.txt
-+++ b/CMakeLists.txt
-@@ -234,6 +234,8 @@ add_custom_target(spirv-tools-pkg-config ALL
-                       -DTEMPLATE_FILE=${CMAKE_CURRENT_SOURCE_DIR}/cmake/SPIRV-Tools.pc.in
-                       -DOUT_FILE=${CMAKE_CURRENT_BINARY_DIR}/SPIRV-Tools.pc
-                       -DCMAKE_INSTALL_PREFIX=${CMAKE_INSTALL_PREFIX}
-+                      -DCMAKE_INSTALL_LIBDIR=${CMAKE_INSTALL_LIBDIR}
-+                      -DCMAKE_INSTALL_INCLUDEDIR=${CMAKE_INSTALL_INCLUDEDIR}
-                       -DSPIRV_LIBRARIES=${SPIRV_LIBRARIES}
-                       -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/write_pkg_config.cmake
-         DEPENDS "CHANGES" "cmake/SPIRV-Tools.pc.in" "cmake/write_pkg_config.cmake")
-diff --git a/cmake/SPIRV-Tools-shared.pc.in b/cmake/SPIRV-Tools-shared.pc.in
-index a652d5e49..2984dc57f 100644
---- a/cmake/SPIRV-Tools.pc.in
-+++ b/cmake/SPIRV-Tools.pc.in
-@@ -1,7 +1,7 @@
- prefix=@CMAKE_INSTALL_PREFIX@
- exec_prefix=${prefix}
--libdir=${prefix}/lib64
--includedir=${prefix}/include
-+libdir=${prefix}/@CMAKE_INSTALL_LIBDIR@
-+includedir=${prefix}/@CMAKE_INSTALL_INCLUDEDIR@
- 
- Name: SPIRV-Tools
- Description: Tools for SPIR-V
diff --git a/sources b/sources
index a0c8e1f..f5033e2 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (spirv-tools-9e19fc0f31ceaf1f6bc907dbf17dcfded85f2ce8.tar.gz) = e509667c4db1dec90d550bacad983d04b55dcd88b3eed722efce7df7cfe028ba5bf346b4fdbd71e00ad299cb0e6d7bb51e7cf9da9df87ef03c99ff0a410b5872
+SHA512 (spirv-tools-26a698c34788bb69123a1f3789970a16cf4d9641.tar.gz) = 8637b3131e80af1f865cb3c985e9d8b3a423dc86130790d22c2ec702882dd3966a06d7b0cc2f89f99eca2cb748427368857f1f283cb2d87b66ae590eb61c3957
diff --git a/spirv-tools.spec b/spirv-tools.spec
index a3a20ad..5210fae 100644
--- a/spirv-tools.spec
+++ b/spirv-tools.spec
@@ -1,18 +1,16 @@
-%global commit 9e19fc0f31ceaf1f6bc907dbf17dcfded85f2ce8
+%global commit 26a698c34788bb69123a1f3789970a16cf4d9641
 %global shortcommit %(c=%{commit}; echo ${c:0:7})
-%global commit_date 20180205
+%global commit_date 20180407
 %global gitrel .%{commit_date}.git%{shortcommit}
 
 Name:           spirv-tools
 Version:        2018.1
-Release:        0.2%{?gitrel}%{?dist}
+Release:        0.3%{?gitrel}%{?dist}
 Summary:        API and commands for processing SPIR-V modules
 
 License:        ASL 2.0
 URL:            https://github.com/KhronosGroup/SPIRV-Tools
 Source0:        %url/archive/%{commit}.tar.gz#/%{name}-%{commit}.tar.gz
-# Based on https://github.com/KhronosGroup/SPIRV-Tools/commit/4e4a254bc85ea41af93a048f1713ef27e04c01ab
-Patch0:         fix_pkconfig_pc_file.patch
 
 BuildRequires:  cmake3
 BuildRequires:  gcc-c++
@@ -49,7 +47,6 @@ pushd %_target_platform
 %cmake3 -DCMAKE_BUILD_TYPE=Release \
         -DPYTHON_EXECUTABLE:FILEPATH=%{_bindir}/python%{python2_version} \
         -DCMAKE_INSTALL_LIBDIR=%{_lib} \
-        -DSPIRV_WERROR=OFF \
         -DSPIRV-Headers_SOURCE_DIR=%{_prefix} \
         -GNinja ..
 %ninja_build
@@ -75,13 +72,18 @@ popd
 %files libs
 %{_libdir}/libSPIRV-Tools-link.so
 %{_libdir}/libSPIRV-Tools-opt.so
+%{_libdir}/libSPIRV-Tools-shared.so
 %{_libdir}/libSPIRV-Tools.so
 
 %files devel
 %{_includedir}/spirv-tools/
+%{_libdir}/pkgconfig/SPIRV-Tools-shared.pc
 %{_libdir}/pkgconfig/SPIRV-Tools.pc
 
 %changelog
+* Tue Apr 24 2018 Leigh Scott <leigh123linux@googlemail.com> - 2018.1-0.3.20180407.git26a698c
+- Update for vulkan 1.1.73.0
+
 * Wed Feb 14 2018 Leigh Scott <leigh123linux@googlemail.com> - 2018.1-0.2.20180205.git9e19fc0
 - Add isa to the provides