xgl: Update external revisions
diff --git a/update_external_sources.sh b/update_external_sources.sh
index cc1968e..dadc659 100755
--- a/update_external_sources.sh
+++ b/update_external_sources.sh
@@ -2,9 +2,9 @@
 # Update source for glslang and LLVM
 # Copy necessary BIL pieces into glslang and LLVM
 
-BIL_REVISION=28809
-LUNARGLASS_REVISION=1052
-GLSLANG_REVISION=28809
+BIL_REVISION=28981
+LUNARGLASS_REVISION=1053
+GLSLANG_REVISION=28969
 
 BUILDDIR=$PWD
 BASEDIR=$BUILDDIR/..