diff --git a/core b/core
index 39cb8aca..0f019dec 160000
--- a/core
+++ b/core
@@ -1 +1 @@
-Subproject commit 39cb8acae2ac71124301b833fa5c7fe9d41f6aa3
+Subproject commit 0f019decc04469e4be84249710cfdb18889da21c
diff --git a/framework b/framework
index c57fde46..a053557e 160000
--- a/framework
+++ b/framework
@@ -1 +1 @@
-Subproject commit c57fde469da35912ffd1f0aaa58f75ea16be9774
+Subproject commit a053557ebd44c615a35b89255bad809844d1f9ba
diff --git a/libs/utils b/libs/utils
index 51042eea..31463f40 160000
--- a/libs/utils
+++ b/libs/utils
@@ -1 +1 @@
-Subproject commit 51042eea032c442f603f035db88e103c4eafd800
+Subproject commit 31463f4010755362333b4fd00902ba4686c63258
diff --git a/samples/sdk-samples/src/test/java/com/jdchain/samples/sdk/QuerySample.java b/samples/sdk-samples/src/test/java/com/jdchain/samples/sdk/QuerySample.java
index c7340b47..a41bf067 100644
--- a/samples/sdk-samples/src/test/java/com/jdchain/samples/sdk/QuerySample.java
+++ b/samples/sdk-samples/src/test/java/com/jdchain/samples/sdk/QuerySample.java
@@ -392,7 +392,7 @@ public class QuerySample extends SampleBase {
      */
     @Test
     public void getLatestEvent() {
-        Event event = blockchainService.getLatestEvent(ledger, sampleEvent);
+        Event event = blockchainService.getLatestSystemEvent(ledger, sampleEvent);
         Assert.assertNull(event);
     }