diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
index 3a01436..0d43737 100644
--- a/.gitea/workflows/build.yml
+++ b/.gitea/workflows/build.yml
@@ -12,7 +12,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Setup Java
-        uses: actions/setup-java@v4
+        uses: actions/setup-java@v5
         with:
           distribution: 'temurin' # See 'Supported distributions' for available options
           java-version: '21'
diff --git a/.gitea/workflows/deploy.yml b/.gitea/workflows/deploy.yml
index 56a45f6..6ec2e14 100644
--- a/.gitea/workflows/deploy.yml
+++ b/.gitea/workflows/deploy.yml
@@ -12,7 +12,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Setup Java
-        uses: actions/setup-java@v4
+        uses: actions/setup-java@v5
         with:
           distribution: 'temurin' # See 'Supported distributions' for available options
           java-version: '21'
diff --git a/build.gradle.kts b/build.gradle.kts
index 7bdd9db..21c453d 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -1,6 +1,6 @@
 plugins {
     java
-    id("org.springframework.boot") version "3.5.0"
+    id("org.springframework.boot") version "4.0.6"
     id("io.spring.dependency-management") version "1.1.7"
 }