diff --git a/flink/flink-twitter-collection/pom.xml b/flink/flink-twitter-collection/pom.xml
index 0031724..c6f3cb6 100644
--- a/flink/flink-twitter-collection/pom.xml
+++ b/flink/flink-twitter-collection/pom.xml
@@ -32,7 +32,7 @@
     <description>Collects twitter documents using flink.</description>
 
     <properties>
-        <testng.version>6.9.10</testng.version>
+        <testng.version>7.7.0</testng.version>
         <hdfs.version>2.7.0</hdfs.version>
         <flink.version>1.2.0</flink.version>
         <scala.version>2.10.6</scala.version>