diff --git a/TrepWs-IO/pom.xml b/TrepWs-IO/pom.xml
index 51d4222..a84f913 100644
--- a/TrepWs-IO/pom.xml
+++ b/TrepWs-IO/pom.xml
@@ -108,7 +108,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>