diff --git a/glslang.spec b/glslang.spec
index c3a8b89..0ab4228 100644
--- a/glslang.spec
+++ b/glslang.spec
@@ -1,11 +1,11 @@
-%global commit d550bebee919179c9e332a0ab28a67f8fe3ca239
+%global commit c594de23cdd790d64ad5f9c8b059baae0ee2941d
 %global shortcommit %(c=%{commit}; echo ${c:0:7})
-%global commit_date 20201104
+%global commit_date 20201208
 %global gitrel .%{commit_date}.git%{shortcommit}
 
 Name:           glslang
 Version:        11.0.0
-Release:        2%{?gitrel}%{?dist}
+Release:        4%{?gitrel}%{?dist}
 Summary:        OpenGL and OpenGL ES shader front end and validator
 
 License:        BSD and GPLv3+ and ASL 2.0
@@ -81,6 +81,12 @@ install -pm 0644 %{_vpath_builddir}/StandAlone/libglslang-default-resource-limit
 %{_libdir}/cmake/*
 
 %changelog
+* Thu Jan 28 2021 Dave Airlie <airlied@redhat.com> - 11.0.0-4.20201208.gitc594de2
+- Latest snapshot used in 1.2.162 sdk
+
+* Tue Jan 26 2021 Fedora Release Engineering <releng@fedoraproject.org> - 11.0.0-3.20201104.gitd550beb
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
+
 * Wed Nov 04 2020 Dave Airlie <airlied@redhat.com> - 11.0.0-2
 - Latest upstream snapshot
 
diff --git a/sources b/sources
index 3629c44..b88b065 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (glslang-d550bebee919179c9e332a0ab28a67f8fe3ca239.tar.gz) = 89ac0b8e8d96de134e0e1f7d0edb7b514d85f2e33043ce4932485c540d908cbdc3fb43ccf822fd3155c03dd71e2a84c1da71a10958cda43b9256543be27bae23
+SHA512 (glslang-c594de23cdd790d64ad5f9c8b059baae0ee2941d.tar.gz) = 4b9e300152dc2ec3b14657b3a745d5b26b5da49e5ff3da0d75680f84126237ec6af0f7cee5aaa74b2d4a123a386522cd7342b5f25e4c01f114da3d5d92057128