diff --git a/samples/spring-data-jdbc/postgresql/pom.xml b/samples/spring-data-jdbc/postgresql/pom.xml
index 079036be4..f92603eeb 100644
--- a/samples/spring-data-jdbc/postgresql/pom.xml
+++ b/samples/spring-data-jdbc/postgresql/pom.xml
@@ -72,7 +72,7 @@
     <dependency>
       <groupId>org.postgresql</groupId>
       <artifactId>postgresql</artifactId>
-      <version>42.7.7</version>
+      <version>42.7.8</version>
     </dependency>
     
     <!-- Add OpenTelemetry for tracing and metrics. -->
diff --git a/samples/spring-data-mybatis/postgresql/pom.xml b/samples/spring-data-mybatis/postgresql/pom.xml
index 1e7c23616..8e03093fc 100644
--- a/samples/spring-data-mybatis/postgresql/pom.xml
+++ b/samples/spring-data-mybatis/postgresql/pom.xml
@@ -75,7 +75,7 @@
     <dependency>
       <groupId>org.postgresql</groupId>
       <artifactId>postgresql</artifactId>
-      <version>42.7.7</version>
+      <version>42.7.8</version>
     </dependency>
     <dependency>
       <groupId>org.testcontainers</groupId>