diff --git a/pom.xml b/pom.xml
index 4bf73173..8dd45d18 100755
--- a/pom.xml
+++ b/pom.xml
@@ -16,14 +16,14 @@
     </licenses>
 
     <properties>
-        <spring.version>4.2.0.RELEASE</spring.version>
+        <spring.version>4.3.1.RELEASE</spring.version>
         <spring-data.version>Gosling-SR1</spring-data.version>
-        <hibernate-validator.version>5.2.2.Final</hibernate-validator.version>
-        <aws-java-sdk.version>1.10.39</aws-java-sdk.version>
+        <hibernate-validator.version>5.2.4.Final</hibernate-validator.version>
+        <aws-java-sdk.version>1.11.15</aws-java-sdk.version>
         <mockito.version>1.10.19</mockito.version>
 
         <cdi.version>1.2</cdi.version>
-        <logback.version>1.1.3</logback.version>
+        <logback.version>1.1.7</logback.version>
 
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
diff --git a/src/main/java/org/socialsignin/spring/data/dynamodb/core/DynamoDBOperations.java b/src/main/java/org/socialsignin/spring/data/dynamodb/core/DynamoDBOperations.java
index c503fccf..77d7efee 100644
--- a/src/main/java/org/socialsignin/spring/data/dynamodb/core/DynamoDBOperations.java
+++ b/src/main/java/org/socialsignin/spring/data/dynamodb/core/DynamoDBOperations.java
@@ -27,9 +27,11 @@ public interface DynamoDBOperations {
 
 	public void save(Object entity);
 	public void batchSave(List<?> entities);
+	public void batchSave(Iterable<?> entities);
 
 	public void delete(Object entity);
 	public void batchDelete(List<?> entities);
+        public void batchDelete(Iterable<?> entities);
 
 	public <T> String getOverriddenTableName(Class<T> domainClass, String tableName);
 
diff --git a/src/main/java/org/socialsignin/spring/data/dynamodb/core/DynamoDBTemplate.java b/src/main/java/org/socialsignin/spring/data/dynamodb/core/DynamoDBTemplate.java
index a6222cd6..5c5cab54 100644
--- a/src/main/java/org/socialsignin/spring/data/dynamodb/core/DynamoDBTemplate.java
+++ b/src/main/java/org/socialsignin/spring/data/dynamodb/core/DynamoDBTemplate.java
@@ -1,5 +1,6 @@
 package org.socialsignin.spring.data.dynamodb.core;
 
+import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
 
@@ -135,17 +136,24 @@ public void save(Object entity) {
 	}
 
 	@Override
+	@Deprecated
 	public void batchSave(List<?> entities) {
-		for (Object entity : entities)
-		{
-			maybeEmitEvent(new BeforeSaveEvent<Object>(entity));
-		}
-		dynamoDBMapper.batchSave(entities);
-		for (Object entity : entities)
-		{
-			maybeEmitEvent(new AfterSaveEvent<Object>(entity));
-		}
+		Iterable<?> iterableEntities = entities;
+		batchSave(iterableEntities);
 	}
+	
+	@Override
+        public void batchSave(Iterable<?> entities) {
+	        Iterator<?> iteratorBefore = entities.iterator();
+	        while( iteratorBefore.hasNext() ){
+	            maybeEmitEvent(new BeforeSaveEvent<Object>(iteratorBefore.next()));
+	        }
+                dynamoDBMapper.batchSave(entities);
+                Iterator<?> iteratorAfter = entities.iterator();
+                while( iteratorAfter.hasNext() ){
+                    maybeEmitEvent(new BeforeSaveEvent<Object>(iteratorAfter.next()));
+                }
+        }
 
 	@Override
 	public void delete(Object entity) {
@@ -156,17 +164,23 @@ public void delete(Object entity) {
 	}
 
 	@Override
+	@Deprecated
 	public void batchDelete(List<?> entities) {
-		for (Object entity : entities)
-		{
-			maybeEmitEvent(new BeforeDeleteEvent<Object>(entity));
-		}
-		dynamoDBMapper.batchDelete(entities);
-		for (Object entity : entities)
-		{
-			maybeEmitEvent(new AfterDeleteEvent<Object>(entity));
-		}
-		
+	        Iterable<?> iterableEntities = entities;
+	        batchDelete(iterableEntities);
+	}
+	
+	@Override
+	public void batchDelete(Iterable<?> entities) {
+	    Iterator<?> iteratorBefore = entities.iterator();
+            while( iteratorBefore.hasNext() ){
+                maybeEmitEvent(new BeforeDeleteEvent<Object>(iteratorBefore.next()));
+            }
+	    dynamoDBMapper.batchDelete(entities);
+	    Iterator<?> iteratorAfter = entities.iterator();
+            while( iteratorAfter.hasNext() ){
+                maybeEmitEvent(new AfterDeleteEvent<Object>(iteratorAfter.next()));
+            }
 	}
 
 	@Override
diff --git a/src/main/java/org/socialsignin/spring/data/dynamodb/repository/support/SimpleDynamoDBCrudRepository.java b/src/main/java/org/socialsignin/spring/data/dynamodb/repository/support/SimpleDynamoDBCrudRepository.java
index b7c6b183..3a902791 100644
--- a/src/main/java/org/socialsignin/spring/data/dynamodb/repository/support/SimpleDynamoDBCrudRepository.java
+++ b/src/main/java/org/socialsignin/spring/data/dynamodb/repository/support/SimpleDynamoDBCrudRepository.java
@@ -132,13 +132,9 @@ public <S extends T> S save(S entity) {
 	}
 
 	@Override
-	public <S extends T> List<S> save(Iterable<S> entities) {
-		final List<S> entityList = new ArrayList<S>();
-		for (S entity : entities) {
-			entityList.add(entity);
-		}
-		dynamoDBOperations.batchSave(entityList);
-		return entityList;
+	public <S extends T> Iterable<S> save(Iterable<S> entities) {
+		dynamoDBOperations.batchSave(entities);
+		return entities;
 	}
 
 	@Override
@@ -201,12 +197,7 @@ public void delete(T entity) {
 	public void delete(Iterable<? extends T> entities) {
 
 		Assert.notNull(entities, "The given Iterable of entities not be null!");
-
-		List<T> entityList = new ArrayList<T>();
-		for (T entity : entities) {
-			entityList.add(entity);
-		}
-		dynamoDBOperations.batchDelete(entityList);
+		dynamoDBOperations.batchDelete(entities);
 	}
 
 	@Override