diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index 438c6d0..81e700e 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -10,7 +10,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up JDK 11
       uses: actions/setup-java@v3
       with:
@@ -19,7 +19,7 @@ jobs:
         settings-path: ${{ github.workspace }} # location for the settings.xml file: :  
         distribution: 'zulu'
     - name: 'Create settings.xml'
-      uses: whelk-io/maven-settings-xml-action@v20
+      uses: whelk-io/maven-settings-xml-action@v21
       with:
         servers: '[{"id": "github", "username": "${{ github.actor }}", "password": "${{ github.token}}"}, {"id": "github-annotation", "username": "${{ github.actor }}", "password": "${{ github.token }}"}]'
         repositories: '[{"id" : "github", "url" : "https://maven.pkg.github.com/Ubique-OSS/springboot-swagger3"}, {"id" : "github-annotation", "url" : "https://maven.pkg.github.com/Ubique-OSS/springboot-swagger3-annotations"}]'
diff --git a/.github/workflows/tagged_release.yaml b/.github/workflows/tagged_release.yaml
index ea7fc4f..380043d 100644
--- a/.github/workflows/tagged_release.yaml
+++ b/.github/workflows/tagged_release.yaml
@@ -10,7 +10,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - run: |
         git fetch --no-tags --prune --depth=1 origin +refs/heads/*:refs/remotes/origin/*
     - name: Set up JDK 11
@@ -21,7 +21,7 @@ jobs:
         settings-path: ${{ github.workspace }} # location for the settings.xml file: :  
         distribution: 'zulu'
     - name: 'Create settings.xml'
-      uses: whelk-io/maven-settings-xml-action@v20
+      uses: whelk-io/maven-settings-xml-action@v21
       with:
         servers: '[{"id": "github", "username": "${{ github.actor }}", "password": "${{ github.token}}"}, {"id": "github-annotation", "username": "${{ github.actor }}", "password": "${{ github.token }}"}]'
         repositories: '[{"id" : "github", "url" : "https://maven.pkg.github.com/Ubique-OSS/springboot-swagger3"}, {"id" : "github-annotation", "url" : "https://maven.pkg.github.com/Ubique-OSS/springboot-swagger3-annotations"}]'
diff --git a/dpppt-config-backend/pom.xml b/dpppt-config-backend/pom.xml
index cbaacda..7fc58fd 100644
--- a/dpppt-config-backend/pom.xml
+++ b/dpppt-config-backend/pom.xml
@@ -23,7 +23,7 @@
     <properties>
         <java-version>11</java-version>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <spring-boot-version>2.6.4</spring-boot-version>
+        <spring-boot-version>3.1.4</spring-boot-version>
         <itCoverageAgent></itCoverageAgent>
         <build-helper-maven-plugin.version>1.9.1</build-helper-maven-plugin.version>
     </properties>