diff --git a/build.gradle b/build.gradle
index f2d1857..93aab18 100644
--- a/build.gradle
+++ b/build.gradle
@@ -7,7 +7,7 @@ plugins {
     id 'java'
     id "com.vanniktech.maven.publish" version "0.28.0"
     id 'signing'
-    id 'org.springframework.boot' version '3.0.0'
+    id 'org.springframework.boot' version '3.3.2'
     id 'io.spring.dependency-management' version '1.1.3'
     id 'checkstyle'
 }
diff --git a/event-date-time-maker/build.gradle b/event-date-time-maker/build.gradle
index d360f4d..4df33f1 100644
--- a/event-date-time-maker/build.gradle
+++ b/event-date-time-maker/build.gradle
@@ -4,7 +4,7 @@ import com.vanniktech.maven.publish.JavadocJar
 
 plugins {
     id 'java'
-    id 'org.springframework.boot' version '3.0.0'
+    id 'org.springframework.boot' version '3.3.2'
     id 'io.spring.dependency-management' version '1.1.3'
     id "com.vanniktech.maven.publish" version "0.28.0"
     id 'signing'
diff --git a/id-maker/build.gradle b/id-maker/build.gradle
index f48a7bc..adf1c98 100644
--- a/id-maker/build.gradle
+++ b/id-maker/build.gradle
@@ -4,7 +4,7 @@ import com.vanniktech.maven.publish.JavadocJar
 
 plugins {
     id 'java'
-    id 'org.springframework.boot' version '3.0.0'
+    id 'org.springframework.boot' version '3.3.2'
     id 'io.spring.dependency-management' version '1.1.3'
     id "com.vanniktech.maven.publish" version "0.28.0"
     id 'signing'
diff --git a/maker-tests/build.gradle b/maker-tests/build.gradle
index 31d49dc..1e9bf97 100644
--- a/maker-tests/build.gradle
+++ b/maker-tests/build.gradle
@@ -1,7 +1,7 @@
 
 plugins {
     id 'java'
-    id 'org.springframework.boot' version '3.0.0'
+    id 'org.springframework.boot' version '3.3.2'
     id 'io.spring.dependency-management' version '1.1.3'
 }
 
diff --git a/password-maker/build.gradle b/password-maker/build.gradle
index 34d2cdc..2697948 100644
--- a/password-maker/build.gradle
+++ b/password-maker/build.gradle
@@ -4,7 +4,7 @@ import com.vanniktech.maven.publish.JavadocJar
 
 plugins {
     id 'java'
-    id 'org.springframework.boot' version '3.0.0'
+    id 'org.springframework.boot' version '3.3.2'
     id 'io.spring.dependency-management' version '1.1.3'
     id "com.vanniktech.maven.publish" version "0.28.0"
     id 'signing'