diff --git a/pom.xml b/pom.xml
index 11675e4e..acca243b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -36,7 +36,7 @@
 
     <!-- Dependency versions - use ./mvnw versions:update-properties to update-->
     <!-- spring versions -->
-    <spring-boot.version>3.5.8</spring-boot.version>
+    <spring-boot.version>4.0.0</spring-boot.version>
     <spring-cloud.version>2024.0.3</spring-cloud.version>
     <spring-doc.version>1.8.0</spring-doc.version>