diff --git a/shaderc-2021.1.tar.gz b/shaderc-2021.1.tar.gz
new file mode 100644
index 0000000..2771012
--- /dev/null
+++ b/shaderc-2021.1.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:047113bc4628da164a3cb845efc20d442728873f6054a68ab56d04a053f2c32b
+size 221288
diff --git a/shaderc.changes b/shaderc.changes
index f3d5746..653c5fe 100644
--- a/shaderc.changes
+++ b/shaderc.changes
@@ -1,3 +1,11 @@
+-------------------------------------------------------------------
+Thu Jun 24 10:51:26 UTC 2021 - Ferdinand Thiessen <rpm@fthiessen.de>
+
+- Update to release 2021.1
+  * Add -fauto-combined-image-sampler option to glslc
+  * Disable deprecated --target-env=opengl_compat with an explicit
+    error message
+
 -------------------------------------------------------------------
 Wed May  5 09:28:57 UTC 2021 - Jan Engelhardt <jengelh@inai.de>
 
diff --git a/shaderc.spec b/shaderc.spec
index d3701f2..d111ef6 100644
--- a/shaderc.spec
+++ b/shaderc.spec
@@ -18,15 +18,14 @@
 
 Name:           shaderc
 %define lname libshaderc_shared1
-Version:        2021.0
+Version:        2021.1
 Release:        0
 Summary:        A collection of tools, libraries and tests for shader compilation
 License:        Apache-2.0
 Group:          Development/Tools/Other
 URL:            https://github.com/google/shaderc
-
 #Git-Clone:	https://github.com/google/shaderc
-Source:         https://github.com/google/shaderc/archive/v%version.tar.gz
+Source:         %url/archive/v%version.tar.gz#/%name-%version.tar.gz
 Patch1:         0001-Use-system-third-party-libs.patch
 BuildRequires:  c++_compiler
 BuildRequires:  cmake
@@ -69,7 +68,7 @@ echo "\"%version\"" >glslc/src/build-version.inc
 
 %build
 %cmake -DSHADERC_SKIP_TESTS=ON
-%make_jobs
+%cmake_build
 
 %install
 %cmake_install
diff --git a/v2021.0.tar.gz b/v2021.0.tar.gz
deleted file mode 100644
index 0321e69..0000000
--- a/v2021.0.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:99762c51b0ceddea4be9b8de3240a7dbf1de9131179eed94b568ce52a5496a8f
-size 220240