diff --git a/spring-content-fs/complete/pom.xml b/spring-content-fs/complete/pom.xml
index a2256f9..bb540d8 100644
--- a/spring-content-fs/complete/pom.xml
+++ b/spring-content-fs/complete/pom.xml
@@ -18,7 +18,7 @@
 			<dependency>
 				<groupId>org.springframework.boot</groupId>
 				<artifactId>spring-boot-starter-parent</artifactId>
-				<version>3.5.7</version>
+				<version>4.0.0</version>
 				<type>pom</type>
 				<scope>import</scope>
 			</dependency>
diff --git a/spring-content-rest/complete/pom.xml b/spring-content-rest/complete/pom.xml
index 948ba2c..58d3488 100644
--- a/spring-content-rest/complete/pom.xml
+++ b/spring-content-rest/complete/pom.xml
@@ -15,7 +15,7 @@
 			<dependency>
 				<groupId>org.springframework.boot</groupId>
 				<artifactId>spring-boot-starter-parent</artifactId>
-				<version>3.5.7</version>
+				<version>4.0.0</version>
 				<type>pom</type>
 				<scope>import</scope>
 			</dependency>
diff --git a/spring-content-with-encryption/complete/pom.xml b/spring-content-with-encryption/complete/pom.xml
index 411a9cf..320c9b7 100644
--- a/spring-content-with-encryption/complete/pom.xml
+++ b/spring-content-with-encryption/complete/pom.xml
@@ -15,7 +15,7 @@
 			<dependency>
 				<groupId>org.springframework.boot</groupId>
 				<artifactId>spring-boot-starter-parent</artifactId>
-				<version>3.5.7</version>
+				<version>4.0.0</version>
 				<type>pom</type>
 				<scope>import</scope>
 			</dependency>
diff --git a/spring-content-with-fulltext/complete/pom.xml b/spring-content-with-fulltext/complete/pom.xml
index 740cbd7..c42781d 100644
--- a/spring-content-with-fulltext/complete/pom.xml
+++ b/spring-content-with-fulltext/complete/pom.xml
@@ -18,7 +18,7 @@
             <dependency>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-starter-parent</artifactId>
-                <version>3.5.7</version>
+                <version>4.0.0</version>
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>
diff --git a/spring-content-with-rbac/complete/pom.xml b/spring-content-with-rbac/complete/pom.xml
index 99eba06..d7c6bce 100644
--- a/spring-content-with-rbac/complete/pom.xml
+++ b/spring-content-with-rbac/complete/pom.xml
@@ -16,7 +16,7 @@
             <dependency>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-starter-parent</artifactId>
-                <version>3.5.7</version>
+                <version>4.0.0</version>
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>
diff --git a/spring-content-with-renditions/complete/pom.xml b/spring-content-with-renditions/complete/pom.xml
index b90347a..6765443 100644
--- a/spring-content-with-renditions/complete/pom.xml
+++ b/spring-content-with-renditions/complete/pom.xml
@@ -18,7 +18,7 @@
             <dependency>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-starter-parent</artifactId>
-                <version>3.5.7</version>
+                <version>4.0.0</version>
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>
diff --git a/spring-content-with-versions/complete/pom.xml b/spring-content-with-versions/complete/pom.xml
index d4dd497..821cfaf 100644
--- a/spring-content-with-versions/complete/pom.xml
+++ b/spring-content-with-versions/complete/pom.xml
@@ -16,7 +16,7 @@
             <dependency>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-starter-parent</artifactId>
-                <version>3.5.7</version>
+                <version>4.0.0</version>
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>