diff --git a/apps/aaa b/apps/aaa
index d1d2edc..4d1e4ab 160000
--- a/apps/aaa
+++ b/apps/aaa
@@ -1 +1 @@
-Subproject commit d1d2edcd68edc947143e946fa6a79acdaa29d71f
+Subproject commit 4d1e4ab3274472fdbe5b774feab3d960b65175e7
diff --git a/apps/config b/apps/config
index 916ba79..623eab0 160000
--- a/apps/config
+++ b/apps/config
@@ -1 +1 @@
-Subproject commit 916ba796c62120d20a504e6e35ffd0ba36220036
+Subproject commit 623eab0520ec5ce7ec3df355909121197c68d60a
diff --git a/apps/igmp b/apps/igmp
index b3d0aac..8907a84 160000
--- a/apps/igmp
+++ b/apps/igmp
@@ -1 +1 @@
-Subproject commit b3d0aac91d61dd87700a52cc21cf1364acf464b3
+Subproject commit 8907a8418688ebdf303049a814288dfd6d6ad394
diff --git a/apps/mcast b/apps/mcast
index 5edb317..cb9957c 160000
--- a/apps/mcast
+++ b/apps/mcast
@@ -1 +1 @@
-Subproject commit 5edb317d62d00282e8fa090f188119a3fef22ac4
+Subproject commit cb9957c88057230e4f5061ccbb7c77aaeb4bd320
diff --git a/apps/olt b/apps/olt
index 0bcaa01..4b2487b 160000
--- a/apps/olt
+++ b/apps/olt
@@ -1 +1 @@
-Subproject commit 0bcaa0189b80f11e913e405fc54cdc5af4817138
+Subproject commit 4b2487bbe3f5f7b7ac50d05c52eb5201c6793da3
diff --git a/apps/pom.xml b/apps/pom.xml
index db76022..87e0a3c 100644
--- a/apps/pom.xml
+++ b/apps/pom.xml
@@ -33,7 +33,7 @@
     <groupId>org.opencord</groupId>
     <artifactId>cord</artifactId>
     <packaging>pom</packaging>
-    <version>1.0-rc3</version>
+    <version>1.0-rc4</version>
 
     <name>${project.artifactId}</name>
     <description>Open CORD root project</description>
diff --git a/apps/vtn b/apps/vtn
index e27ae2a..5aef4eb 160000
--- a/apps/vtn
+++ b/apps/vtn
@@ -1 +1 @@
-Subproject commit e27ae2aae8c7b9062a25593c1697593c949bf389
+Subproject commit 5aef4eba5f3e81e6f89e1716958c2932460f28b5