diff --git a/example-11-spring-boot/build.gradle b/example-11-spring-boot/build.gradle
index 2a45e7c..f25162a 100644
--- a/example-11-spring-boot/build.gradle
+++ b/example-11-spring-boot/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-    id 'org.springframework.boot' version '3.3.0'
+    id 'org.springframework.boot' version '3.3.1'
     id 'io.spring.dependency-management' version '1.1.5'
 }
 
diff --git a/example-12-boot-security/build.gradle b/example-12-boot-security/build.gradle
index c8c85d4..9682ece 100644
--- a/example-12-boot-security/build.gradle
+++ b/example-12-boot-security/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-    id 'org.springframework.boot' version '3.3.0'
+    id 'org.springframework.boot' version '3.3.1'
     id 'io.spring.dependency-management' version '1.1.5'
 }
 
diff --git a/example-13-inmemory-security/build.gradle b/example-13-inmemory-security/build.gradle
index c8c85d4..9682ece 100644
--- a/example-13-inmemory-security/build.gradle
+++ b/example-13-inmemory-security/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-    id 'org.springframework.boot' version '3.3.0'
+    id 'org.springframework.boot' version '3.3.1'
     id 'io.spring.dependency-management' version '1.1.5'
 }
 
diff --git a/example-14-jdbc-auth-security/build.gradle b/example-14-jdbc-auth-security/build.gradle
index 1eb4d14..97261f2 100644
--- a/example-14-jdbc-auth-security/build.gradle
+++ b/example-14-jdbc-auth-security/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-    id 'org.springframework.boot' version '3.3.0'
+    id 'org.springframework.boot' version '3.3.1'
     id 'io.spring.dependency-management' version '1.1.5'
 }
 
diff --git a/example-15-user-flow-security/build.gradle b/example-15-user-flow-security/build.gradle
index 728edae..23b9ca5 100644
--- a/example-15-user-flow-security/build.gradle
+++ b/example-15-user-flow-security/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-    id 'org.springframework.boot' version '3.3.0'
+    id 'org.springframework.boot' version '3.3.1'
     id 'io.spring.dependency-management' version '1.1.5'
 }
 
diff --git a/example-16-custom-auth-provider/build.gradle b/example-16-custom-auth-provider/build.gradle
index 728edae..23b9ca5 100644
--- a/example-16-custom-auth-provider/build.gradle
+++ b/example-16-custom-auth-provider/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-    id 'org.springframework.boot' version '3.3.0'
+    id 'org.springframework.boot' version '3.3.1'
     id 'io.spring.dependency-management' version '1.1.5'
 }
 
diff --git a/example-17-authorization/build.gradle b/example-17-authorization/build.gradle
index 728edae..23b9ca5 100644
--- a/example-17-authorization/build.gradle
+++ b/example-17-authorization/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-    id 'org.springframework.boot' version '3.3.0'
+    id 'org.springframework.boot' version '3.3.1'
     id 'io.spring.dependency-management' version '1.1.5'
 }
 
diff --git a/example-18-method-security/build.gradle b/example-18-method-security/build.gradle
index 728edae..23b9ca5 100644
--- a/example-18-method-security/build.gradle
+++ b/example-18-method-security/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-    id 'org.springframework.boot' version '3.3.0'
+    id 'org.springframework.boot' version '3.3.1'
     id 'io.spring.dependency-management' version '1.1.5'
 }
 
diff --git a/example-19-remember-me/build.gradle b/example-19-remember-me/build.gradle
index 728edae..23b9ca5 100644
--- a/example-19-remember-me/build.gradle
+++ b/example-19-remember-me/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-    id 'org.springframework.boot' version '3.3.0'
+    id 'org.springframework.boot' version '3.3.1'
     id 'io.spring.dependency-management' version '1.1.5'
 }
 
diff --git a/example-20-oauth/build.gradle b/example-20-oauth/build.gradle
index 490be5a..5ea2602 100644
--- a/example-20-oauth/build.gradle
+++ b/example-20-oauth/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-    id 'org.springframework.boot' version '3.3.0'
+    id 'org.springframework.boot' version '3.3.1'
     id 'io.spring.dependency-management' version '1.1.5'
 }
 
diff --git a/example-21-jwt/build.gradle b/example-21-jwt/build.gradle
index 38877f8..40d019d 100644
--- a/example-21-jwt/build.gradle
+++ b/example-21-jwt/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-    id 'org.springframework.boot' version '3.3.0'
+    id 'org.springframework.boot' version '3.3.1'
     id 'io.spring.dependency-management' version '1.1.5'
 }
 
diff --git a/notes-app/build.gradle b/notes-app/build.gradle
index 8351387..220f6f7 100644
--- a/notes-app/build.gradle
+++ b/notes-app/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-    id 'org.springframework.boot' version '3.3.0'
+    id 'org.springframework.boot' version '3.3.1'
     id 'io.spring.dependency-management' version '1.1.5'
     id 'java'
 }