diff --git a/benchmarks/tpcc/pom.xml b/benchmarks/tpcc/pom.xml
index 24ac864ecc..f52b7ade4d 100644
--- a/benchmarks/tpcc/pom.xml
+++ b/benchmarks/tpcc/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>org.springframework.boot</groupId>
     <artifactId>spring-boot-starter-parent</artifactId>
-    <version>3.5.13</version>
+    <version>4.0.5</version>
     <relativePath/> <!-- lookup parent from repository -->
   </parent>
   <groupId>com.google.cloud.spanner</groupId>
diff --git a/samples/java/spring-data-jpa/pom.xml b/samples/java/spring-data-jpa/pom.xml
index b4e7c1c9fd..33aa65a3a5 100644
--- a/samples/java/spring-data-jpa/pom.xml
+++ b/samples/java/spring-data-jpa/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>org.springframework.boot</groupId>
     <artifactId>spring-boot-starter-parent</artifactId>
-    <version>3.5.13</version>
+    <version>4.0.5</version>
     <relativePath/> <!-- lookup parent from repository -->
   </parent>
   <groupId>com.google.cloud.spanner</groupId>