diff --git a/0001-Use-system-third-party-libs.patch b/0001-Use-system-third-party-libs.patch
index 1cb745f..82fb7a8 100644
--- a/0001-Use-system-third-party-libs.patch
+++ b/0001-Use-system-third-party-libs.patch
@@ -1,8 +1,13 @@
-Index: shaderc-2020.4/CMakeLists.txt
+---
+ CMakeLists.txt            |    7 -------
+ libshaderc/CMakeLists.txt |    2 ++
+ 2 files changed, 2 insertions(+), 7 deletions(-)
+
+Index: shaderc-2020.5/CMakeLists.txt
 ===================================================================
---- shaderc-2020.4.orig/CMakeLists.txt
-+++ shaderc-2020.4/CMakeLists.txt
-@@ -102,18 +102,12 @@ endif(MSVC)
+--- shaderc-2020.5.orig/CMakeLists.txt
++++ shaderc-2020.5/CMakeLists.txt
+@@ -112,7 +112,6 @@ endif(MSVC)
  
  # Configure subdirectories.
  # We depend on these for later projects, so they should come first.
@@ -10,21 +15,23 @@ Index: shaderc-2020.4/CMakeLists.txt
  
  add_subdirectory(libshaderc_util)
  add_subdirectory(libshaderc)
- add_subdirectory(glslc)
- add_subdirectory(examples)
+@@ -121,12 +120,6 @@ if(${SHADERC_ENABLE_EXAMPLES})
+     add_subdirectory(examples)
+ endif()
  
 -add_custom_target(build-version
 -  ${PYTHON_EXECUTABLE}
 -  ${CMAKE_CURRENT_SOURCE_DIR}/utils/update_build_version.py
 -  ${shaderc_SOURCE_DIR} ${spirv-tools_SOURCE_DIR} ${glslang_SOURCE_DIR} ${CMAKE_CURRENT_BINARY_DIR}/build-version.inc
 -  COMMENT "Update build-version.inc in the Shaderc build directory (if necessary).")
- 
+-
  function(define_pkg_config_file NAME LIBS)
    add_custom_target(${NAME}-pkg-config ALL
-Index: shaderc-2020.4/libshaderc/CMakeLists.txt
+     COMMAND ${CMAKE_COMMAND}
+Index: shaderc-2020.5/libshaderc/CMakeLists.txt
 ===================================================================
---- shaderc-2020.4.orig/libshaderc/CMakeLists.txt
-+++ shaderc-2020.4/libshaderc/CMakeLists.txt
+--- shaderc-2020.5.orig/libshaderc/CMakeLists.txt
++++ shaderc-2020.5/libshaderc/CMakeLists.txt
 @@ -66,6 +66,8 @@ set(SHADERC_LIBS
    shaderc_util
    SPIRV # from glslang
diff --git a/shaderc.changes b/shaderc.changes
index 5dddc9e..801ce94 100644
--- a/shaderc.changes
+++ b/shaderc.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Mon Mar  1 08:44:37 UTC 2021 - Jan Engelhardt <jengelh@inai.de>
+
+- Update to release 2020.5
+  * Support newer glslang
+
 -------------------------------------------------------------------
 Mon Jan 11 00:50:07 UTC 2021 - Dirk Müller <dmueller@suse.com>
 
diff --git a/shaderc.spec b/shaderc.spec
index 42d9e5a..e9c75d7 100644
--- a/shaderc.spec
+++ b/shaderc.spec
@@ -18,7 +18,7 @@
 
 Name:           shaderc
 %define lname libshaderc_shared1
-Version:        2020.4
+Version:        2020.5
 Release:        0
 Summary:        A collection of tools, libraries and tests for shader compilation
 License:        Apache-2.0
@@ -30,7 +30,7 @@ Source:         https://github.com/google/shaderc/archive/v%version.tar.gz
 Patch1:         0001-Use-system-third-party-libs.patch
 BuildRequires:  c++_compiler
 BuildRequires:  cmake
-BuildRequires:  glslang-devel >= 8.13.3727+git4
+BuildRequires:  glslang-devel >= 11.1
 BuildRequires:  python-xml
 BuildRequires:  spirv-headers >= 1.5.1.corrected+git24
 BuildRequires:  spirv-tools-devel >= 2020.2
diff --git a/v2020.4.tar.gz b/v2020.4.tar.gz
deleted file mode 100644
index 297060b..0000000
--- a/v2020.4.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:19e4c812bfbdbabbfb658062628c377339d14894080b5c169216a1d86483bdcc
-size 220148
diff --git a/v2020.5.tar.gz b/v2020.5.tar.gz
new file mode 100644
index 0000000..5a71d02
--- /dev/null
+++ b/v2020.5.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e96d8cb208b796cecb9e6cce437c7d1116343158ef3ea26277eb13b62cf56834
+size 220159