diff --git a/reactive/rsocket/hello-security/build.gradle b/reactive/rsocket/hello-security/build.gradle
index bf6c649..ec75582 100644
--- a/reactive/rsocket/hello-security/build.gradle
+++ b/reactive/rsocket/hello-security/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-	id 'org.springframework.boot' version '2.3.1.RELEASE'
+	id 'org.springframework.boot' version '2.3.3.RELEASE'
 	id 'io.spring.dependency-management' version '1.0.9.RELEASE'
 	id "nebula.integtest" version "7.0.9"
 	id 'java'
diff --git a/reactive/webflux-fn/hello-security/build.gradle b/reactive/webflux-fn/hello-security/build.gradle
index 625696a..32ad8f9 100644
--- a/reactive/webflux-fn/hello-security/build.gradle
+++ b/reactive/webflux-fn/hello-security/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-	id 'org.springframework.boot' version '2.3.1.RELEASE'
+	id 'org.springframework.boot' version '2.3.3.RELEASE'
 	id 'io.spring.dependency-management' version '1.0.9.RELEASE'
 	id "nebula.integtest" version "7.0.9"
 	id 'java'
diff --git a/reactive/webflux-fn/hello/build.gradle b/reactive/webflux-fn/hello/build.gradle
index 2ffcccf..d8aefbd 100644
--- a/reactive/webflux-fn/hello/build.gradle
+++ b/reactive/webflux-fn/hello/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-	id 'org.springframework.boot' version '2.3.1.RELEASE'
+	id 'org.springframework.boot' version '2.3.3.RELEASE'
 	id 'io.spring.dependency-management' version '1.0.9.RELEASE'
 	id "nebula.integtest" version "7.0.9"
 	id 'java'
diff --git a/reactive/webflux/java/authentication/username-password/form/build.gradle b/reactive/webflux/java/authentication/username-password/form/build.gradle
index 3506aad..064ce15 100644
--- a/reactive/webflux/java/authentication/username-password/form/build.gradle
+++ b/reactive/webflux/java/authentication/username-password/form/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-	id 'org.springframework.boot' version '2.3.1.RELEASE'
+	id 'org.springframework.boot' version '2.3.3.RELEASE'
 	id 'io.spring.dependency-management' version '1.0.9.RELEASE'
 	id "nebula.integtest" version "7.0.9"
 	id 'java'
diff --git a/reactive/webflux/java/authentication/x509/build.gradle b/reactive/webflux/java/authentication/x509/build.gradle
index d1f8bfd..894813e 100644
--- a/reactive/webflux/java/authentication/x509/build.gradle
+++ b/reactive/webflux/java/authentication/x509/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-	id 'org.springframework.boot' version '2.3.1.RELEASE'
+	id 'org.springframework.boot' version '2.3.3.RELEASE'
 	id 'io.spring.dependency-management' version '1.0.9.RELEASE'
 	id "nebula.integtest" version "7.0.9"
 	id 'java'
diff --git a/reactive/webflux/java/hello-security-explicit/build.gradle b/reactive/webflux/java/hello-security-explicit/build.gradle
index 1534ae7..8a83eb7 100644
--- a/reactive/webflux/java/hello-security-explicit/build.gradle
+++ b/reactive/webflux/java/hello-security-explicit/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-	id 'org.springframework.boot' version '2.3.1.RELEASE'
+	id 'org.springframework.boot' version '2.3.3.RELEASE'
 	id 'io.spring.dependency-management' version '1.0.9.RELEASE'
 	id "nebula.integtest" version "7.0.9"
 	id 'java'
diff --git a/reactive/webflux/java/hello-security/build.gradle b/reactive/webflux/java/hello-security/build.gradle
index dcb8235..b400f98 100644
--- a/reactive/webflux/java/hello-security/build.gradle
+++ b/reactive/webflux/java/hello-security/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-	id 'org.springframework.boot' version '2.3.1.RELEASE'
+	id 'org.springframework.boot' version '2.3.3.RELEASE'
 	id 'io.spring.dependency-management' version '1.0.9.RELEASE'
 	id "nebula.integtest" version "7.0.9"
 	id 'java'
diff --git a/reactive/webflux/java/hello/build.gradle b/reactive/webflux/java/hello/build.gradle
index 2ffcccf..d8aefbd 100644
--- a/reactive/webflux/java/hello/build.gradle
+++ b/reactive/webflux/java/hello/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-	id 'org.springframework.boot' version '2.3.1.RELEASE'
+	id 'org.springframework.boot' version '2.3.3.RELEASE'
 	id 'io.spring.dependency-management' version '1.0.9.RELEASE'
 	id "nebula.integtest" version "7.0.9"
 	id 'java'
diff --git a/reactive/webflux/java/method/build.gradle b/reactive/webflux/java/method/build.gradle
index 27615d0..56e25a4 100644
--- a/reactive/webflux/java/method/build.gradle
+++ b/reactive/webflux/java/method/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-	id 'org.springframework.boot' version '2.3.1.RELEASE'
+	id 'org.springframework.boot' version '2.3.3.RELEASE'
 	id 'io.spring.dependency-management' version '1.0.9.RELEASE'
 	id "nebula.integtest" version "7.0.9"
 	id 'java'
diff --git a/reactive/webflux/java/oauth2/login/build.gradle b/reactive/webflux/java/oauth2/login/build.gradle
index b61ee9a..337fce8 100644
--- a/reactive/webflux/java/oauth2/login/build.gradle
+++ b/reactive/webflux/java/oauth2/login/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-	id 'org.springframework.boot' version '2.2.6.RELEASE'
+	id 'org.springframework.boot' version '2.3.3.RELEASE'
 	id 'io.spring.dependency-management' version '1.0.9.RELEASE'
 	id "nebula.integtest" version "7.0.9"
 	id 'java'
diff --git a/reactive/webflux/java/oauth2/resource-server/build.gradle b/reactive/webflux/java/oauth2/resource-server/build.gradle
index 1cc650d..3d2c947 100644
--- a/reactive/webflux/java/oauth2/resource-server/build.gradle
+++ b/reactive/webflux/java/oauth2/resource-server/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-	id 'org.springframework.boot' version '2.3.1.RELEASE'
+	id 'org.springframework.boot' version '2.3.3.RELEASE'
 	id 'io.spring.dependency-management' version '1.0.9.RELEASE'
 	id "nebula.integtest" version "7.0.9"
 	id 'java'
diff --git a/reactive/webflux/java/oauth2/webclient/build.gradle b/reactive/webflux/java/oauth2/webclient/build.gradle
index 34e431a..8d93e34 100644
--- a/reactive/webflux/java/oauth2/webclient/build.gradle
+++ b/reactive/webflux/java/oauth2/webclient/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-	id 'org.springframework.boot' version '2.2.6.RELEASE'
+	id 'org.springframework.boot' version '2.3.3.RELEASE'
 	id 'io.spring.dependency-management' version '1.0.9.RELEASE'
 	id "nebula.integtest" version "7.0.9"
 	id 'java'
diff --git a/servlet/spring-boot/java/hello-security-explicit/build.gradle b/servlet/spring-boot/java/hello-security-explicit/build.gradle
index 38cb818..5d6e361 100644
--- a/servlet/spring-boot/java/hello-security-explicit/build.gradle
+++ b/servlet/spring-boot/java/hello-security-explicit/build.gradle
@@ -1,6 +1,6 @@
 plugins {
 	id 'io.spring.dependency-management' version '1.0.9.RELEASE'
-	id 'org.springframework.boot' version '2.3.1.RELEASE'
+	id 'org.springframework.boot' version '2.3.3.RELEASE'
 	id "nebula.integtest" version "7.0.9"
 	id 'java'
 }
diff --git a/servlet/spring-boot/java/hello-security/build.gradle b/servlet/spring-boot/java/hello-security/build.gradle
index 43f34be..7446c32 100644
--- a/servlet/spring-boot/java/hello-security/build.gradle
+++ b/servlet/spring-boot/java/hello-security/build.gradle
@@ -1,6 +1,6 @@
 plugins {
 	id 'io.spring.dependency-management' version '1.0.9.RELEASE'
-	id 'org.springframework.boot' version '2.3.1.RELEASE'
+	id 'org.springframework.boot' version '2.3.3.RELEASE'
 	id "nebula.integtest" version "7.0.9"
 	id 'java'
 }
diff --git a/servlet/spring-boot/java/hello/build.gradle b/servlet/spring-boot/java/hello/build.gradle
index 613f011..d22d73b 100644
--- a/servlet/spring-boot/java/hello/build.gradle
+++ b/servlet/spring-boot/java/hello/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-	id 'org.springframework.boot' version '2.3.1.RELEASE'
+	id 'org.springframework.boot' version '2.3.3.RELEASE'
 	id 'io.spring.dependency-management' version '1.0.9.RELEASE'
 	id "nebula.integtest" version "7.0.9"
 	id 'java'
diff --git a/servlet/spring-boot/java/oauth2/login/build.gradle b/servlet/spring-boot/java/oauth2/login/build.gradle
index 441c11c..3d4c3d6 100644
--- a/servlet/spring-boot/java/oauth2/login/build.gradle
+++ b/servlet/spring-boot/java/oauth2/login/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-	id 'org.springframework.boot' version '2.2.6.RELEASE'
+	id 'org.springframework.boot' version '2.3.3.RELEASE'
 	id 'io.spring.dependency-management' version '1.0.9.RELEASE'
 	id "nebula.integtest" version "7.0.9"
 	id 'java'
diff --git a/servlet/spring-boot/java/oauth2/resource-server/hello-security/build.gradle b/servlet/spring-boot/java/oauth2/resource-server/hello-security/build.gradle
index 3b899e3..204c0cd 100644
--- a/servlet/spring-boot/java/oauth2/resource-server/hello-security/build.gradle
+++ b/servlet/spring-boot/java/oauth2/resource-server/hello-security/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-	id 'org.springframework.boot' version '2.3.1.RELEASE'
+	id 'org.springframework.boot' version '2.3.3.RELEASE'
 	id 'io.spring.dependency-management' version '1.0.9.RELEASE'
 	id "nebula.integtest" version "7.0.9"
 	id 'java'
diff --git a/servlet/spring-boot/java/oauth2/resource-server/jwe/build.gradle b/servlet/spring-boot/java/oauth2/resource-server/jwe/build.gradle
index 5747178..b39cfbd 100644
--- a/servlet/spring-boot/java/oauth2/resource-server/jwe/build.gradle
+++ b/servlet/spring-boot/java/oauth2/resource-server/jwe/build.gradle
@@ -15,7 +15,7 @@
  */
 
 plugins {
-	id 'org.springframework.boot' version '2.2.6.RELEASE'
+	id 'org.springframework.boot' version '2.3.3.RELEASE'
 	id 'io.spring.dependency-management' version '1.0.9.RELEASE'
 	id "nebula.integtest" version "7.0.9"
 	id 'java'
diff --git a/servlet/spring-boot/java/oauth2/resource-server/multi-tenancy/build.gradle b/servlet/spring-boot/java/oauth2/resource-server/multi-tenancy/build.gradle
index d6bafcd..3bacde8 100644
--- a/servlet/spring-boot/java/oauth2/resource-server/multi-tenancy/build.gradle
+++ b/servlet/spring-boot/java/oauth2/resource-server/multi-tenancy/build.gradle
@@ -15,7 +15,7 @@
  */
 
 plugins {
-	id 'org.springframework.boot' version '2.2.6.RELEASE'
+	id 'org.springframework.boot' version '2.3.3.RELEASE'
 	id 'io.spring.dependency-management' version '1.0.9.RELEASE'
 	id "nebula.integtest" version "7.0.9"
 	id 'java'
diff --git a/servlet/spring-boot/java/oauth2/resource-server/opaque/build.gradle b/servlet/spring-boot/java/oauth2/resource-server/opaque/build.gradle
index bbb0f92..b965e71 100644
--- a/servlet/spring-boot/java/oauth2/resource-server/opaque/build.gradle
+++ b/servlet/spring-boot/java/oauth2/resource-server/opaque/build.gradle
@@ -15,7 +15,7 @@
  */
 
 plugins {
-	id 'org.springframework.boot' version '2.2.6.RELEASE'
+	id 'org.springframework.boot' version '2.3.3.RELEASE'
 	id 'io.spring.dependency-management' version '1.0.9.RELEASE'
 	id "nebula.integtest" version "7.0.9"
 	id 'java'
diff --git a/servlet/spring-boot/java/oauth2/resource-server/static/build.gradle b/servlet/spring-boot/java/oauth2/resource-server/static/build.gradle
index 5747178..b39cfbd 100644
--- a/servlet/spring-boot/java/oauth2/resource-server/static/build.gradle
+++ b/servlet/spring-boot/java/oauth2/resource-server/static/build.gradle
@@ -15,7 +15,7 @@
  */
 
 plugins {
-	id 'org.springframework.boot' version '2.2.6.RELEASE'
+	id 'org.springframework.boot' version '2.3.3.RELEASE'
 	id 'io.spring.dependency-management' version '1.0.9.RELEASE'
 	id "nebula.integtest" version "7.0.9"
 	id 'java'
diff --git a/servlet/spring-boot/java/oauth2/webclient/build.gradle b/servlet/spring-boot/java/oauth2/webclient/build.gradle
index 10402ed..6f4c5a1 100644
--- a/servlet/spring-boot/java/oauth2/webclient/build.gradle
+++ b/servlet/spring-boot/java/oauth2/webclient/build.gradle
@@ -15,7 +15,7 @@
  */
 
 plugins {
-	id 'org.springframework.boot' version '2.2.6.RELEASE'
+	id 'org.springframework.boot' version '2.3.3.RELEASE'
 	id 'io.spring.dependency-management' version '1.0.9.RELEASE'
 	id "nebula.integtest" version "7.0.9"
 	id 'java'
diff --git a/servlet/spring-boot/java/saml2-login/build.gradle b/servlet/spring-boot/java/saml2-login/build.gradle
index 246c85d..f8fbc07 100644
--- a/servlet/spring-boot/java/saml2-login/build.gradle
+++ b/servlet/spring-boot/java/saml2-login/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-	id 'org.springframework.boot' version '2.3.1.RELEASE'
+	id 'org.springframework.boot' version '2.3.3.RELEASE'
 	id 'io.spring.dependency-management' version '1.0.9.RELEASE'
 	id "nebula.integtest" version "7.0.9"
 	id 'java'
diff --git a/sync-boot-version.sh b/sync-boot-version.sh
new file mode 100755
index 0000000..e1fe718
--- /dev/null
+++ b/sync-boot-version.sh
@@ -0,0 +1,9 @@
+#!/bin/bash
+
+export BOOT_VERSION=$1
+
+if [[ "$BOOT_VERSION" == "" ]]; then
+  echo "Missing boot-version. Usage: sync-boot-version.sh <boot-version>"
+  exit 1
+fi
+find -mindepth 2 -name build.gradle | xargs sed -i -E "s/(id 'org.springframework.boot' version ').*?'/\1$BOOT_VERSION'/"
\ No newline at end of file