diff --git a/_service b/_service
index 4ba9dc4..7eb3818 100644
--- a/_service
+++ b/_service
@@ -1,11 +1,11 @@
 <services>
 	<service name="tar_scm" mode="disabled">
  		<param name="scm">git</param>
-		<param name="url">git://github.com/KhronosGroup/glslang</param>
+		<param name="url">https://github.com/KhronosGroup/glslang</param>
 		<!-- minor part also in glslang/Include/revision.h (and sometimes out of date too) -->
-		<param name="revision">4162de4bbfc58ef37600c23e4e8fcf58e604f382</param>
-		<param name="parent-tag">8e96e247fadd3b241fe4a5d081ebe1ad45f885bc</param>
-		<param name="versionformat">7.11.3276.git@TAG_OFFSET@</param>
+		<param name="revision">7.12.3352</param>
+		<param name="parent-tag">7.12.3352</param>
+		<param name="versionformat">7.12.3352</param>
 	</service>
 	<service name="recompress" mode="disabled">
 		<param name="file">*.tar</param>
diff --git a/glslang-7.11.3276.git10.tar.xz b/glslang-7.11.3276.git10.tar.xz
deleted file mode 100644
index c1f5755..0000000
--- a/glslang-7.11.3276.git10.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:070b39ee22f73549e9dc7f157edf2363a0c3631da3cb431c046e9b4c40b9011e
-size 1591316
diff --git a/glslang-7.12.3352.tar.xz b/glslang-7.12.3352.tar.xz
new file mode 100644
index 0000000..f53811e
--- /dev/null
+++ b/glslang-7.12.3352.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:48c61c85470d629df0254a0505022f6571b35ed4b823d16814a682e60773af35
+size 1602496
diff --git a/glslang.changes b/glslang.changes
index 99a485b..a23fe7d 100644
--- a/glslang.changes
+++ b/glslang.changes
@@ -1,3 +1,15 @@
+-------------------------------------------------------------------
+Wed Aug 21 07:23:09 UTC 2019 - Jan Engelhardt <jengelh@inai.de>
+
+- Update to new upstream release 7.12.3352
+  * Add interface symbol and uniform symbol location auto mapping
+    for OpenGL shader.
+  * Handle SPIR-V type mismatch when constructing a composite.
+  * Implement GL_EXT_demote_to_helper_invocation.
+  * Avoid generating 8/16-bit constants when 8/16-bit arithmetic
+    extensions are not enabled.
+  * Add support for SPV_KHR_shader_clock.
+
 -------------------------------------------------------------------
 Fri Aug  2 07:00:29 UTC 2019 - Martin Liška <mliska@suse.cz>
 
diff --git a/glslang.spec b/glslang.spec
index 1b1cb37..6c25947 100644
--- a/glslang.spec
+++ b/glslang.spec
@@ -16,11 +16,11 @@
 #
 
 
-%define version_unconverted 7.11.3276.git10
+%define version_unconverted 7.12.3352
 %define lname libglslang-suse6
 
 Name:           glslang
-Version:        7.11.3276.git10
+Version:        7.12.3352
 Release:        0
 Summary:        OpenGL and OpenGL ES shader front end and validator
 License:        BSD-3-Clause