diff --git a/baselibs.conf b/baselibs.conf
index 3db3efa..328f320 100644
--- a/baselibs.conf
+++ b/baselibs.conf
@@ -1,4 +1,4 @@
-libSPIRV-Tools-2023_2
+libSPIRV-Tools-2023_3_rc1
 spirv-tools-devel
 	requires -spirv-tools-<targettype>
-	requires "libSPIRV-Tools-2023_2-<targettype> = <version>"
+	requires "libSPIRV-Tools-2023_3_rc1-<targettype> = <version>"
diff --git a/spirv-tools.changes b/spirv-tools.changes
index 4821eb6..ca7eaf5 100644
--- a/spirv-tools.changes
+++ b/spirv-tools.changes
@@ -1,3 +1,15 @@
+-------------------------------------------------------------------
+Tue May 30 22:01:25 UTC 2023 - Jan Engelhardt <jengelh@inai.de>
+
+- Update to release 2023.3~rc1
+  * Add spirv-dump tool
+  * Implement source extraction logic for spirv-objdump
+  * Add Vulkan memory model to allow lists
+  * Add default case for spv::Dim for TileImageEXT
+  * Add support for SPV_EXT_shader_tile_image
+  * opt: Fix null deref in OpMatrixTimesVector and OpVectorTimesMatrix
+  * Apply scalar replacement on vars with Pointer decorations
+
 -------------------------------------------------------------------
 Thu Mar 30 07:42:40 UTC 2023 - Jan Engelhardt <jengelh@inai.de>
 
diff --git a/spirv-tools.spec b/spirv-tools.spec
index 157c211..fcfda27 100644
--- a/spirv-tools.spec
+++ b/spirv-tools.spec
@@ -17,26 +17,30 @@
 
 
 %define _lto_cflags %nil
-%define lname libSPIRV-Tools-2023_2
+%define lname libSPIRV-Tools-2023_3_rc1
 
 Name:           spirv-tools
-Version:        2023.2
+Version:        2023.3~rc1
 Release:        0
 Summary:        API and commands for processing SPIR-V modules
 License:        Apache-2.0
 Group:          Development/Libraries/C and C++
 URL:            https://github.com/KhronosGroup/SPIRV-Tools
-Source:         https://github.com/KhronosGroup/SPIRV-Tools/archive/refs/tags/v%version.tar.gz
+Source:         https://github.com/KhronosGroup/SPIRV-Tools/archive/refs/tags/v2023.3.rc1.tar.gz
 #Source:         https://github.com/KhronosGroup/SPIRV-Tools/archive/refs/tags/sdk-1.3.236.0.tar.gz
 Source9:        baselibs.conf
 Patch1:         ver.diff
 BuildRequires:  bison
 BuildRequires:  cmake >= 3.17.2
+%if 0%{?suse_version} >= 1599
 BuildRequires:  gcc-c++
+%else
+BuildRequires:  gcc11-c++
+%endif
 BuildRequires:  pkg-config
 BuildRequires:  python3-base
 BuildRequires:  python3-xml
-BuildRequires:  spirv-headers >= 1.6.1+sdk243
+BuildRequires:  spirv-headers >= 1.6.1+sdk250
 
 %description
 The package includes an assembler, binary module parser,
@@ -64,11 +68,14 @@ validator, and is used in the standalone tools whilst also enabling
 integration into other code bases directly.
 
 %prep
-%autosetup -p1 -n SPIRV-Tools-%version
+%autosetup -p1 -n SPIRV-Tools-2023.3.rc1
 find . -type f -name CMakeLists.txt -exec \
 	perl -i -pe 's{\@PACKAGE_VERSION\@}{%version}' CMakeLists.txt {} +
 
 %build
+%if 0%{?suse_version} && 0%{?suse_version} < 1599
+export CXX=g++-11
+%endif
 %cmake -DSPIRV-Headers_SOURCE_DIR="%_prefix" \
 	-DSPIRV_TOOLS_BUILD_STATIC:BOOL=OFF -DBUILD_SHARED_LIBS:BOOL=ON
 %cmake_build
diff --git a/v2023.2.tar.gz b/v2023.2.tar.gz
deleted file mode 100644
index 464133c..0000000
--- a/v2023.2.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:7416cc8a98a10c32bacc36a39930b0c5b2a484963df5d68f388ed7ffee1faad3
-size 3101345
diff --git a/v2023.3.rc1.tar.gz b/v2023.3.rc1.tar.gz
new file mode 100644
index 0000000..a0d20a1
--- /dev/null
+++ b/v2023.3.rc1.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:117c9b41ac89a6a1df7656cf7eb795b67d0460d7f11ce1120742f59f851026b4
+size 3112300