diff --git a/pom.xml b/pom.xml
index da3800c..212f609 100644
--- a/pom.xml
+++ b/pom.xml
@@ -125,7 +125,7 @@
     <implementation.build.tstamp>${maven.build.timestamp}</implementation.build.tstamp>
     <maven.compiler.source>1.8</maven.compiler.source>
     <maven.compiler.target>1.8</maven.compiler.target>
-    <spark.version>2.1.0</spark.version>
+    <spark.version>2.4.4</spark.version>
     <findbugs.version>3.0.4</findbugs.version>
     <xml.maven.version>1.0.1</xml.maven.version>
     <jacoco.version>0.8.0</jacoco.version>