diff --git a/case-studies-solutions-master/pom.xml b/case-studies-solutions-master/pom.xml
index 933741e..6437cc6 100644
--- a/case-studies-solutions-master/pom.xml
+++ b/case-studies-solutions-master/pom.xml
@@ -163,7 +163,7 @@
         <dependency>
             <groupId>org.apache.hadoop</groupId>
             <artifactId>hadoop-common</artifactId>
-            <version>2.7.2</version>
+            <version>3.2.3</version>
         </dependency>
 
         <!-- https://mvnrepository.com/artifact/org.apache.hadoop/hadoop-client -->