diff --git a/submodules/bctoolbox b/submodules/bctoolbox
index 0b6bedeb9..5fd21abac 160000
--- a/submodules/bctoolbox
+++ b/submodules/bctoolbox
@@ -1 +1 @@
-Subproject commit 0b6bedeb929a5ed2aa1c35bc7bd61c374daab9f5
+Subproject commit 5fd21abac30f808d943e2ec7438301a1d37cfe84