diff --git a/master-package/bonus-webinars-2018/introduction-to-testcontainers/pom.xml b/master-package/bonus-webinars-2018/introduction-to-testcontainers/pom.xml
index 1958ac42..7659ef80 100644
--- a/master-package/bonus-webinars-2018/introduction-to-testcontainers/pom.xml
+++ b/master-package/bonus-webinars-2018/introduction-to-testcontainers/pom.xml
@@ -94,7 +94,7 @@
 		<dependency>
 			<groupId>org.postgresql</groupId>
 			<artifactId>postgresql</artifactId>
-			<version>42.2.2</version>
+			<version>42.4.1</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>