diff --git a/pom.xml b/pom.xml
index 174ef53..b4c4d56 100644
--- a/pom.xml
+++ b/pom.xml
@@ -10,7 +10,7 @@
 
     <properties>
         <spark-streaming-kafka_2.10.version>1.6.1</spark-streaming-kafka_2.10.version>
-        <spark-core_2.10.version>1.6.1</spark-core_2.10.version>
+        <spark-core_2.10.version>2.2.3</spark-core_2.10.version>
         <redisson.version>2.2.11</redisson.version>
     </properties>