diff --git a/case 7.8 spark/pom.xml b/case 7.8 spark/pom.xml
index 780af1ca..1f043fa2 100644
--- a/case 7.8 spark/pom.xml	
+++ b/case 7.8 spark/pom.xml	
@@ -57,7 +57,7 @@
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-databind</artifactId>
-            <version>2.4.4</version>
+            <version>2.12.7.1</version>
         </dependency>
         <dependency>
             <groupId>org.apache.spark</groupId>