diff --git a/external/scons-plus-plus b/external/scons-plus-plus
index 93dd09e..3cac31b 160000
--- a/external/scons-plus-plus
+++ b/external/scons-plus-plus
@@ -1 +1 @@
-Subproject commit 93dd09e3247048996c29b3f8be6f7675cb5e89d5
+Subproject commit 3cac31bd81154f668117ba06a9cc610a7d3294e5