diff --git a/update_external_sources.sh b/update_external_sources.sh
index 7a60f0e..e007509 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=29221
-LUNARGLASS_REVISION=1056
-GLSLANG_REVISION=29221
+BIL_REVISION=29512
+LUNARGLASS_REVISION=1060
+GLSLANG_REVISION=29512
 
 BUILDDIR=$PWD
 BASEDIR=$BUILDDIR/..