diff --git a/modules/concat b/modules/concat
index b783e1e..045e745 160000
--- a/modules/concat
+++ b/modules/concat
@@ -1 +1 @@
-Subproject commit b783e1e99def0bf45a391a2ebce5a39bd4174e11
+Subproject commit 045e74592ee431a52cb6ebc711ffec4bf9343005
diff --git a/modules/stdlib b/modules/stdlib
index 0bb25fb..2339ea8 160000
--- a/modules/stdlib
+++ b/modules/stdlib
@@ -1 +1 @@
-Subproject commit 0bb25fb19904e8b346a25204f787b8bdc5140bae
+Subproject commit 2339ea8db67ac7ef02d707c2a6011ae50f5d82b5
diff --git a/modules/vcsrepo b/modules/vcsrepo
index e3d28c6..7a729a4 160000
--- a/modules/vcsrepo
+++ b/modules/vcsrepo
@@ -1 +1 @@
-Subproject commit e3d28c6f7aa3b1daf7e9d30b55494592a65a2264
+Subproject commit 7a729a4a025ea3318d8915678e1496a67b976954