diff --git a/doc/src/conf.py b/doc/src/conf.py
index 2d25494..5660552 100644
--- a/doc/src/conf.py
+++ b/doc/src/conf.py
@@ -40,9 +40,9 @@ author = 'Oracle'
 # other places throughout the built documents.
 #
 # The short X.Y version.
-version = '6.0'
+version = '6.1'
 # The full version, including alpha/beta/rc tags.
-release = '6.0.1'
+release = '6.1.0-dev'
 
 # There are two options for replacing |today|: either, you set today to some
 # non-false value, then it is used:
diff --git a/odpi b/odpi
index dfa763c..5967b3a 160000
--- a/odpi
+++ b/odpi
@@ -1 +1 @@
-Subproject commit dfa763c343a64e85c60bda1cae93af35e9967b9d
+Subproject commit 5967b3ad0d0d7dc63cf8ffb1974e4bc3e2356610
diff --git a/setup.py b/setup.py
index b333dfb..43f6f6c 100644
--- a/setup.py
+++ b/setup.py
@@ -20,7 +20,7 @@ except:
     from distutils.extension import Extension
 
 # define build constants
-BUILD_VERSION = "6.0.2"
+BUILD_VERSION = "6.1.0-dev"
 
 # setup extra link and compile args
 extraLinkArgs = []
@@ -82,16 +82,17 @@ extension = Extension(
                 "src/SessionPool.c", "src/StringVar.c", "src/Subscription.c",
                 "src/Variable.c", "odpi/include/dpi.h", "odpi/src/dpiImpl.h",
                 "odpi/src/dpiConn.c", "odpi/src/dpiContext.c",
-                "odpi/src/dpiData.c", "odpi/src/dpiDeqOptions.c",
-                "odpi/src/dpiEnqOptions.c", "odpi/src/dpiEnv.c",
-                "odpi/src/dpiError.c", "odpi/src/dpiGen.c",
-                "odpi/src/dpiGlobal.c", "odpi/src/dpiLob.c",
-                "odpi/src/dpiMsgProps.c", "odpi/src/dpiObject.c",
-                "odpi/src/dpiObjectAttr.c", "odpi/src/dpiObjectType.c",
-                "odpi/src/dpiOci.c", "odpi/src/dpiOracleType.c",
-                "odpi/src/dpiPool.c", "odpi/src/dpiRowid.c",
-                "odpi/src/dpiStmt.c", "odpi/src/dpiSubscr.c",
-                "odpi/src/dpiUtils.c", "odpi/src/dpiVar.c"])
+                "odpi/src/dpiData.c", "odpi/src/dpiDebug.c",
+                "odpi/src/dpiDeqOptions.c", "odpi/src/dpiEnqOptions.c",
+                "odpi/src/dpiEnv.c", "odpi/src/dpiError.c",
+                "odpi/src/dpiGen.c", "odpi/src/dpiGlobal.c",
+                "odpi/src/dpiLob.c", "odpi/src/dpiMsgProps.c",
+                "odpi/src/dpiObject.c", "odpi/src/dpiObjectAttr.c",
+                "odpi/src/dpiObjectType.c", "odpi/src/dpiOci.c",
+                "odpi/src/dpiOracleType.c", "odpi/src/dpiPool.c",
+                "odpi/src/dpiRowid.c", "odpi/src/dpiStmt.c",
+                "odpi/src/dpiSubscr.c", "odpi/src/dpiUtils.c",
+                "odpi/src/dpiVar.c"])
 
 # perform the setup
 setup(
diff --git a/src/cx_Oracle.c b/src/cx_Oracle.c
index f9ad05f..19489fd 100644
--- a/src/cx_Oracle.c
+++ b/src/cx_Oracle.c
@@ -734,6 +734,7 @@ void initcx_Oracle(void)
 #include "dpiConn.c"
 #include "dpiContext.c"
 #include "dpiData.c"
+#include "dpiDebug.c"
 #include "dpiDeqOptions.c"
 #include "dpiEnqOptions.c"
 #include "dpiEnv.c"
diff --git a/test/DMLReturning.py b/test/DMLReturning.py
index 5871eeb..c6920c1 100644
--- a/test/DMLReturning.py
+++ b/test/DMLReturning.py
@@ -102,3 +102,19 @@ class TestDMLReturning(BaseTestCase):
                 "The final value of string 10"
         ])
 
+    def testInsertAndReturnObject(self):
+        "test inserting an object with DML returning"
+        typeObj = self.connection.gettype("UDT_OBJECT")
+        stringValue = "The string that will be verified"
+        obj = typeObj.newobject()
+        obj.STRINGVALUE = stringValue
+        outVar = self.cursor.var(cx_Oracle.OBJECT, typename = "UDT_OBJECT")
+        self.cursor.execute("""
+                insert into TestObjects (IntCol, ObjectCol)
+                values (4, :obj)
+                returning ObjectCol into :outObj""",
+                obj = obj, outObj = outVar)
+        result = outVar.getvalue()
+        self.assertEqual(result.STRINGVALUE, stringValue)
+        self.connection.rollback()
+