diff --git a/task3/generate-thumbnail/pom.xml b/task3/generate-thumbnail/pom.xml
index 7394fe1..2ff2163 100644
--- a/task3/generate-thumbnail/pom.xml
+++ b/task3/generate-thumbnail/pom.xml
@@ -50,7 +50,7 @@
 		<dependency>
 			<groupId>commons-net</groupId>
 			<artifactId>commons-net</artifactId>
-			<version>3.6</version>
+			<version>3.9.0</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>