diff --git a/batch-rest-repository/build.gradle.kts b/batch-rest-repository/build.gradle.kts
index 967f6ee6..79903172 100644
--- a/batch-rest-repository/build.gradle.kts
+++ b/batch-rest-repository/build.gradle.kts
@@ -1,6 +1,6 @@
 plugins {
     java
-    id("org.springframework.boot") version "3.5.7"
+    id("org.springframework.boot") version "4.0.1"
     id("io.spring.dependency-management") version "1.1.7"
 }
 
diff --git a/batch-skip-step/build.gradle.kts b/batch-skip-step/build.gradle.kts
index 4b03d08c..fa5e4ad9 100644
--- a/batch-skip-step/build.gradle.kts
+++ b/batch-skip-step/build.gradle.kts
@@ -1,6 +1,6 @@
 plugins {
     java
-    id("org.springframework.boot") version "3.5.7"
+    id("org.springframework.boot") version "4.0.1"
     id("io.spring.dependency-management") version "1.1.7"
 }
 
diff --git a/build.gradle.kts b/build.gradle.kts
index 3553feec..12bd7145 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -2,7 +2,7 @@ import org.springframework.boot.gradle.plugin.SpringBootPlugin
 
 plugins {
     java
-    id("org.springframework.boot") version "3.5.7" apply false
+    id("org.springframework.boot") version "4.0.1" apply false
     id("io.spring.dependency-management") version "1.1.7"
     id("org.sonarqube") version "7.2.2.6593"
     id("jacoco-report-aggregation")
diff --git a/cloud-jdbc-env-repo/build.gradle.kts b/cloud-jdbc-env-repo/build.gradle.kts
index 1365b130..e13c66e3 100644
--- a/cloud-jdbc-env-repo/build.gradle.kts
+++ b/cloud-jdbc-env-repo/build.gradle.kts
@@ -1,6 +1,6 @@
 plugins {
     java
-    id("org.springframework.boot") version "3.5.7"
+    id("org.springframework.boot") version "4.0.1"
     id("io.spring.dependency-management") version "1.1.7"
 }
 
diff --git a/data-domain-events/build.gradle.kts b/data-domain-events/build.gradle.kts
index 86a71724..a08d57cc 100644
--- a/data-domain-events/build.gradle.kts
+++ b/data-domain-events/build.gradle.kts
@@ -1,6 +1,6 @@
 plugins {
     java
-    id("org.springframework.boot") version "3.5.7"
+    id("org.springframework.boot") version "4.0.1"
     id("io.spring.dependency-management") version "1.1.7"
 }
 
diff --git a/data-envers-audit/build.gradle.kts b/data-envers-audit/build.gradle.kts
index a67ef353..112e35ec 100644
--- a/data-envers-audit/build.gradle.kts
+++ b/data-envers-audit/build.gradle.kts
@@ -1,6 +1,6 @@
 plugins {
     java
-    id("org.springframework.boot") version "3.5.7"
+    id("org.springframework.boot") version "4.0.1"
     id("io.spring.dependency-management") version "1.1.7"
 }
 
diff --git a/data-jdbc-audit/build.gradle.kts b/data-jdbc-audit/build.gradle.kts
index d99dfabb..1e23832e 100644
--- a/data-jdbc-audit/build.gradle.kts
+++ b/data-jdbc-audit/build.gradle.kts
@@ -1,6 +1,6 @@
 plugins {
     java
-    id("org.springframework.boot") version "3.5.7"
+    id("org.springframework.boot") version "4.0.1"
     id("io.spring.dependency-management") version "1.1.7"
 }
 
diff --git a/data-jdbc-schema-generation/build.gradle.kts b/data-jdbc-schema-generation/build.gradle.kts
index 9f2c6af0..1728034e 100644
--- a/data-jdbc-schema-generation/build.gradle.kts
+++ b/data-jdbc-schema-generation/build.gradle.kts
@@ -1,6 +1,6 @@
 plugins {
     java
-    id("org.springframework.boot") version "3.5.7"
+    id("org.springframework.boot") version "4.0.1"
     id("io.spring.dependency-management") version "1.1.7"
 }
 
diff --git a/data-jpa-audit/build.gradle.kts b/data-jpa-audit/build.gradle.kts
index 65c861c6..86ed6e46 100644
--- a/data-jpa-audit/build.gradle.kts
+++ b/data-jpa-audit/build.gradle.kts
@@ -1,6 +1,6 @@
 plugins {
     java
-    id("org.springframework.boot") version "3.5.7"
+    id("org.springframework.boot") version "4.0.1"
     id("io.spring.dependency-management") version "1.1.7"
 }
 
diff --git a/data-jpa-event/build.gradle.kts b/data-jpa-event/build.gradle.kts
index 7bdc163b..40ae5b5b 100644
--- a/data-jpa-event/build.gradle.kts
+++ b/data-jpa-event/build.gradle.kts
@@ -1,6 +1,6 @@
 plugins {
     java
-    id("org.springframework.boot") version "3.5.7"
+    id("org.springframework.boot") version "4.0.1"
     id("io.spring.dependency-management") version "1.1.7"
 }
 
diff --git a/data-jpa-filtered-query/build.gradle.kts b/data-jpa-filtered-query/build.gradle.kts
index 65c861c6..86ed6e46 100644
--- a/data-jpa-filtered-query/build.gradle.kts
+++ b/data-jpa-filtered-query/build.gradle.kts
@@ -1,6 +1,6 @@
 plugins {
     java
-    id("org.springframework.boot") version "3.5.7"
+    id("org.springframework.boot") version "4.0.1"
     id("io.spring.dependency-management") version "1.1.7"
 }
 
diff --git a/data-jpa-hibernate-cache/build.gradle.kts b/data-jpa-hibernate-cache/build.gradle.kts
index 80c66512..c929afd0 100644
--- a/data-jpa-hibernate-cache/build.gradle.kts
+++ b/data-jpa-hibernate-cache/build.gradle.kts
@@ -1,6 +1,6 @@
 plugins {
 	java
-	id("org.springframework.boot") version "3.5.7"
+	id("org.springframework.boot") version "4.0.1"
 	id("io.spring.dependency-management") version "1.1.7"
 }
 
diff --git a/data-mongodb-audit/build.gradle.kts b/data-mongodb-audit/build.gradle.kts
index 0a0874b9..fabd5edb 100644
--- a/data-mongodb-audit/build.gradle.kts
+++ b/data-mongodb-audit/build.gradle.kts
@@ -1,6 +1,6 @@
 plugins {
     java
-    id("org.springframework.boot") version "3.5.7"
+    id("org.springframework.boot") version "4.0.1"
     id("io.spring.dependency-management") version "1.1.7"
 }
 
diff --git a/data-mongodb-full-text-search/build.gradle.kts b/data-mongodb-full-text-search/build.gradle.kts
index 0a0874b9..fabd5edb 100644
--- a/data-mongodb-full-text-search/build.gradle.kts
+++ b/data-mongodb-full-text-search/build.gradle.kts
@@ -1,6 +1,6 @@
 plugins {
     java
-    id("org.springframework.boot") version "3.5.7"
+    id("org.springframework.boot") version "4.0.1"
     id("io.spring.dependency-management") version "1.1.7"
 }
 
diff --git a/data-mongodb-tc-data-load/build.gradle.kts b/data-mongodb-tc-data-load/build.gradle.kts
index 3b9aa08a..b0512f48 100644
--- a/data-mongodb-tc-data-load/build.gradle.kts
+++ b/data-mongodb-tc-data-load/build.gradle.kts
@@ -1,6 +1,6 @@
 plugins {
     java
-    id("org.springframework.boot") version "3.5.7"
+    id("org.springframework.boot") version "4.0.1"
     id("io.spring.dependency-management") version "1.1.7"
 }
 
diff --git a/data-mongodb-transactional/build.gradle.kts b/data-mongodb-transactional/build.gradle.kts
index 1a614a13..2ff1aa28 100644
--- a/data-mongodb-transactional/build.gradle.kts
+++ b/data-mongodb-transactional/build.gradle.kts
@@ -1,6 +1,6 @@
 plugins {
     java
-    id("org.springframework.boot") version "3.5.7"
+    id("org.springframework.boot") version "4.0.1"
     id("io.spring.dependency-management") version "1.1.7"
 }
 
diff --git a/data-redis-cache/build.gradle.kts b/data-redis-cache/build.gradle.kts
index 7cded78d..3d7d68e3 100644
--- a/data-redis-cache/build.gradle.kts
+++ b/data-redis-cache/build.gradle.kts
@@ -1,6 +1,6 @@
 plugins {
     java
-    id("org.springframework.boot") version "3.5.7"
+    id("org.springframework.boot") version "4.0.1"
     id("io.spring.dependency-management") version "1.1.7"
 }
 
diff --git a/data-repository-definition/build.gradle.kts b/data-repository-definition/build.gradle.kts
index da037a33..63945457 100644
--- a/data-repository-definition/build.gradle.kts
+++ b/data-repository-definition/build.gradle.kts
@@ -1,6 +1,6 @@
 plugins {
     java
-    id("org.springframework.boot") version "3.5.7"
+    id("org.springframework.boot") version "4.0.1"
     id("io.spring.dependency-management") version "1.1.7"
 }
 
diff --git a/data-rest-composite-id/build.gradle.kts b/data-rest-composite-id/build.gradle.kts
index 344efc23..b79b3e84 100644
--- a/data-rest-composite-id/build.gradle.kts
+++ b/data-rest-composite-id/build.gradle.kts
@@ -1,6 +1,6 @@
 plugins {
     java
-    id("org.springframework.boot") version "3.5.7"
+    id("org.springframework.boot") version "4.0.1"
     id("io.spring.dependency-management") version "1.1.7"
 }
 
diff --git a/data-rest-validation/build.gradle.kts b/data-rest-validation/build.gradle.kts
index 429c4cc9..b488e64c 100644
--- a/data-rest-validation/build.gradle.kts
+++ b/data-rest-validation/build.gradle.kts
@@ -1,6 +1,6 @@
 plugins {
     java
-    id("org.springframework.boot") version "3.5.7"
+    id("org.springframework.boot") version "4.0.1"
     id("io.spring.dependency-management") version "1.1.7"
 }
 
diff --git a/graphql/build.gradle.kts b/graphql/build.gradle.kts
index d41f2071..fcd8b0d0 100644
--- a/graphql/build.gradle.kts
+++ b/graphql/build.gradle.kts
@@ -1,6 +1,6 @@
 plugins {
     java
-    id("org.springframework.boot") version "3.5.7"
+    id("org.springframework.boot") version "4.0.1"
     id("io.spring.dependency-management") version "1.1.7"
 }
 
diff --git a/jooq/build.gradle.kts b/jooq/build.gradle.kts
index 2ae28a05..d7c13688 100644
--- a/jooq/build.gradle.kts
+++ b/jooq/build.gradle.kts
@@ -3,7 +3,7 @@ import org.jooq.meta.kotlin.*
 
 plugins {
     java
-    id("org.springframework.boot") version "3.5.7"
+    id("org.springframework.boot") version "4.0.1"
     id("io.spring.dependency-management") version "1.1.7"
     id("nu.studer.jooq") version "10.2"
 }
diff --git a/modulith/build.gradle.kts b/modulith/build.gradle.kts
index e3be53c8..7e99d3ee 100644
--- a/modulith/build.gradle.kts
+++ b/modulith/build.gradle.kts
@@ -1,6 +1,6 @@
 plugins {
     java
-    id("org.springframework.boot") version "3.5.7"
+    id("org.springframework.boot") version "4.0.1"
     id("io.spring.dependency-management") version "1.1.7"
 }
 
diff --git a/test-execution-listeners/build.gradle.kts b/test-execution-listeners/build.gradle.kts
index 0a0874b9..fabd5edb 100644
--- a/test-execution-listeners/build.gradle.kts
+++ b/test-execution-listeners/build.gradle.kts
@@ -1,6 +1,6 @@
 plugins {
     java
-    id("org.springframework.boot") version "3.5.7"
+    id("org.springframework.boot") version "4.0.1"
     id("io.spring.dependency-management") version "1.1.7"
 }
 
diff --git a/test-rest-assured/build.gradle.kts b/test-rest-assured/build.gradle.kts
index 7e676fb6..9088f924 100644
--- a/test-rest-assured/build.gradle.kts
+++ b/test-rest-assured/build.gradle.kts
@@ -1,6 +1,6 @@
 plugins {
     java
-    id("org.springframework.boot") version "3.5.7"
+    id("org.springframework.boot") version "4.0.1"
     id("io.spring.dependency-management") version "1.1.7"
 }
 
diff --git a/test-slice-tests-rest/build.gradle.kts b/test-slice-tests-rest/build.gradle.kts
index 695922fa..310987b8 100644
--- a/test-slice-tests-rest/build.gradle.kts
+++ b/test-slice-tests-rest/build.gradle.kts
@@ -1,6 +1,6 @@
 plugins {
     java
-    id("org.springframework.boot") version "3.5.7"
+    id("org.springframework.boot") version "4.0.1"
     id("io.spring.dependency-management") version "1.1.7"
 }
 
diff --git a/web-rest-client/build.gradle.kts b/web-rest-client/build.gradle.kts
index 2f025664..cf8667e0 100644
--- a/web-rest-client/build.gradle.kts
+++ b/web-rest-client/build.gradle.kts
@@ -1,6 +1,6 @@
 plugins {
     java
-    id("org.springframework.boot") version "3.5.7"
+    id("org.springframework.boot") version "4.0.1"
     id("io.spring.dependency-management") version "1.1.7"
 }
 
diff --git a/web-thymeleaf-xss/build.gradle.kts b/web-thymeleaf-xss/build.gradle.kts
index 838b5453..d1354d37 100644
--- a/web-thymeleaf-xss/build.gradle.kts
+++ b/web-thymeleaf-xss/build.gradle.kts
@@ -1,6 +1,6 @@
 plugins {
     java
-    id("org.springframework.boot") version "3.5.7"
+    id("org.springframework.boot") version "4.0.1"
     id("io.spring.dependency-management") version "1.1.7"
 }