diff --git a/pom.xml b/pom.xml
index e1ee08e..279d561 100644
--- a/pom.xml
+++ b/pom.xml
@@ -11,7 +11,7 @@
     <dependency>
       <groupId>com.sparkjava</groupId>
       <artifactId>spark-core</artifactId>
-      <version>2.7.2</version>
+      <version>2.9.1</version>
     </dependency>
     <dependency>
       <groupId>org.apache.spark</groupId>