diff --git a/module15/15.10/pom.xml b/module15/15.10/pom.xml
index f5763bc..b7d131f 100644
--- a/module15/15.10/pom.xml
+++ b/module15/15.10/pom.xml
@@ -26,7 +26,7 @@
         <dependency>
             <groupId>org.apache.spark</groupId>
             <artifactId>spark-core_2.12</artifactId>
-            <version>2.4.1</version>
+            <version>3.4.0</version>
         </dependency>
         <dependency>
             <groupId>org.apache.spark</groupId>