diff --git a/custom-login/pom.xml b/custom-login/pom.xml
index 4d70862..0485ba8 100644
--- a/custom-login/pom.xml
+++ b/custom-login/pom.xml
@@ -46,7 +46,7 @@
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-web</artifactId>
-            <version>3.5.4</version>
+            <version>4.0.0</version>
         </dependency>
         <dependency>
             <groupId>org.apache.tomcat.embed</groupId>
diff --git a/front-end/pom.xml b/front-end/pom.xml
index d1238e3..723bc52 100644
--- a/front-end/pom.xml
+++ b/front-end/pom.xml
@@ -27,7 +27,7 @@
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-web</artifactId>
-            <version>3.5.4</version>
+            <version>4.0.0</version>
         </dependency>
         <dependency>
             <groupId>org.yaml</groupId>
diff --git a/okta-hosted-login/pom.xml b/okta-hosted-login/pom.xml
index 30fd038..8c7a8a6 100644
--- a/okta-hosted-login/pom.xml
+++ b/okta-hosted-login/pom.xml
@@ -32,7 +32,7 @@
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-web</artifactId>
-            <version>3.5.4</version>
+            <version>4.0.0</version>
         </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>
diff --git a/resource-server/pom.xml b/resource-server/pom.xml
index 69fd140..fa277ec 100644
--- a/resource-server/pom.xml
+++ b/resource-server/pom.xml
@@ -38,7 +38,7 @@
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-web</artifactId>
-            <version>3.5.4</version>
+            <version>4.0.0</version>
         </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>