misc: Update external source versions
diff --git a/update_external_sources.sh b/update_external_sources.sh
index 5474c5d..62d5592 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=29145
-LUNARGLASS_REVISION=1055
-GLSLANG_REVISION=29145
+BIL_REVISION=29221
+LUNARGLASS_REVISION=1056
+GLSLANG_REVISION=29221
 
 BUILDDIR=$PWD
 BASEDIR=$BUILDDIR/..