diff --git a/custom-login/pom.xml b/custom-login/pom.xml
index 4d70862..62a47fb 100644
--- a/custom-login/pom.xml
+++ b/custom-login/pom.xml
@@ -20,7 +20,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>3.5.3</version>
+        <version>4.0.0</version>
     </parent>
 
     <groupId>com.example.okta</groupId>
diff --git a/front-end/pom.xml b/front-end/pom.xml
index d1238e3..f0eac6c 100644
--- a/front-end/pom.xml
+++ b/front-end/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>3.5.3</version>
+        <version>4.0.0</version>
     </parent>
 
     <groupId>com.example.okta</groupId>
diff --git a/okta-hosted-login/pom.xml b/okta-hosted-login/pom.xml
index 30fd038..a42d06e 100644
--- a/okta-hosted-login/pom.xml
+++ b/okta-hosted-login/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>3.5.3</version>
+        <version>4.0.0</version>
     </parent>
 
     <groupId>com.example.okta</groupId>
diff --git a/resource-server/pom.xml b/resource-server/pom.xml
index 69fd140..3a5110e 100644
--- a/resource-server/pom.xml
+++ b/resource-server/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>3.5.3</version>
+        <version>4.0.0</version>
     </parent>
 
     <groupId>com.example.okta</groupId>