diff --git a/samples/spring-data-jdbc/googlesql/pom.xml b/samples/spring-data-jdbc/googlesql/pom.xml
index fdcb6a549..e02ccddab 100644
--- a/samples/spring-data-jdbc/googlesql/pom.xml
+++ b/samples/spring-data-jdbc/googlesql/pom.xml
@@ -55,7 +55,7 @@
     <dependency>
       <groupId>org.springframework.boot</groupId>
       <artifactId>spring-boot-starter-data-jdbc</artifactId>
-      <version>3.5.5</version>
+      <version>3.5.6</version>
     </dependency>
 
     <!-- Add the Spanner JDBC driver. -->
diff --git a/samples/spring-data-jdbc/postgresql/pom.xml b/samples/spring-data-jdbc/postgresql/pom.xml
index 079036be4..008546b07 100644
--- a/samples/spring-data-jdbc/postgresql/pom.xml
+++ b/samples/spring-data-jdbc/postgresql/pom.xml
@@ -55,7 +55,7 @@
     <dependency>
       <groupId>org.springframework.boot</groupId>
       <artifactId>spring-boot-starter-data-jdbc</artifactId>
-      <version>3.5.5</version>
+      <version>3.5.6</version>
     </dependency>
 
     <!-- Add both the Cloud Spanner and the PostgreSQL JDBC driver. -->