diff --git a/ext/dlr/scons-build-tools b/ext/dlr/scons-build-tools
index 8277a9e170..536a06a502 160000
--- a/ext/dlr/scons-build-tools
+++ b/ext/dlr/scons-build-tools
@@ -1 +1 @@
-Subproject commit 8277a9e170e79849903580ce6cd609bd26e7117e
+Subproject commit 536a06a502d081d7603a68f81e5fd7cf61a75ec7