diff --git a/exemplos/02-seguranca/pom.xml b/exemplos/02-seguranca/pom.xml
index 7c0b5df..7c2fc61 100644
--- a/exemplos/02-seguranca/pom.xml
+++ b/exemplos/02-seguranca/pom.xml
@@ -53,7 +53,7 @@
         <dependency>
             <groupId>org.postgresql</groupId>
             <artifactId>postgresql</artifactId>
-            <version>42.2.8</version>
+            <version>42.3.3</version>
         </dependency>
 
     </dependencies>