diff --git a/pom.xml b/pom.xml
index 9ecbcf2..7e5986e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -28,7 +28,7 @@
         <dependency>
             <groupId>org.postgresql</groupId>
             <artifactId>postgresql</artifactId>
-            <version>42.2.2</version>
+            <version>42.3.3</version>
         </dependency>
         <!-- https://mvnrepository.com/artifact/org.springframework.boot/spring-boot-starter-websocket -->
         <dependency>