diff --git a/_service b/_service
index 3acecd5..5ca3d85 100644
--- a/_service
+++ b/_service
@@ -3,7 +3,7 @@
  		<param name="scm">git</param>
 		<param name="url">git://github.com/KhronosGroup/glslang</param>
 		<!-- minor part also in glslang/Include/revision.h -->
-		<param name="revision">master</param>
+		<param name="revision">e7df8e0b76af2fb9f58124be6b95688e5dbcdb7a</param>
 		<param name="parent-tag">7.8.2853</param>
 		<param name="versionformat">7.8.2853.g@TAG_OFFSET@</param>
 	</service>
diff --git a/glslang-7.8.2853.g9.tar.xz b/glslang-7.8.2853.g9.tar.xz
index 3095624..67dedc6 100644
--- a/glslang-7.8.2853.g9.tar.xz
+++ b/glslang-7.8.2853.g9.tar.xz
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:a0739eea458882328820d6765231b5b8bb066d96c1f9dd7db8de023595a8db1c
-size 1365084
+oid sha256:e49be2cc513162cddad001f8caa5868631fe87cb6b2fa6d91f37d8c4569aa334
+size 1364904