diff --git a/Distributed System/flink/distributedcomputingsystems_exercise-flink_digital_conversion/pom.xml b/Distributed System/flink/distributedcomputingsystems_exercise-flink_digital_conversion/pom.xml
index 8f46a1b..225fbe7 100644
--- a/Distributed System/flink/distributedcomputingsystems_exercise-flink_digital_conversion/pom.xml	
+++ b/Distributed System/flink/distributedcomputingsystems_exercise-flink_digital_conversion/pom.xml	
@@ -58,7 +58,7 @@
     </build>
 
     <properties>
-        <hadoop.version>2.5.1</hadoop.version>
+        <hadoop.version>2.7.0</hadoop.version>
         <flink.version>1.6.2</flink.version>
         <spark.version>2.3.2</spark.version>
         <storm.version>1.2.2</storm.version>