diff --git a/terraform-modules/Makefile b/terraform-modules/Makefile
new file mode 100644
index 0000000..8d60302
--- /dev/null
+++ b/terraform-modules/Makefile
@@ -0,0 +1,7 @@
+
+update:
+	(for X in terraform-*; do \
+		pushd $$X; \
+		git pull --ff-only ; \
+		popd; \
+	done)
diff --git a/terraform-modules/terraform-aws-bc-proxy b/terraform-modules/terraform-aws-bc-proxy
index 9f74a85..c5402e7 160000
--- a/terraform-modules/terraform-aws-bc-proxy
+++ b/terraform-modules/terraform-aws-bc-proxy
@@ -1 +1 @@
-Subproject commit 9f74a85d8c598384aefb042e6761a88302a30788
+Subproject commit c5402e75c19172849b69cf24610269709432e4a1