diff --git a/modules/openepcis-bom b/modules/openepcis-bom
index 2ea72d8..b7491b4 160000
--- a/modules/openepcis-bom
+++ b/modules/openepcis-bom
@@ -1 +1 @@
-Subproject commit 2ea72d8d22b53d215fd113ab4fb93b3957bb04fb
+Subproject commit b7491b4b929b879b99a2d896e08adb46e3ef7025
diff --git a/modules/openepcis-document-converter b/modules/openepcis-document-converter
index 086a8ca..2bd705c 160000
--- a/modules/openepcis-document-converter
+++ b/modules/openepcis-document-converter
@@ -1 +1 @@
-Subproject commit 086a8ca5ca7e603acc3f62d135fbafa15e7461b4
+Subproject commit 2bd705c3993a6e56ecec23ce0d5d9f345902ea74
diff --git a/modules/openepcis-models b/modules/openepcis-models
index e1fe546..aac2cb6 160000
--- a/modules/openepcis-models
+++ b/modules/openepcis-models
@@ -1 +1 @@
-Subproject commit e1fe546a995756ffa6f7786d1fd528dd469ff6b4
+Subproject commit aac2cb641349fb4f1190c2a63427d30347e97679