diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 551579f..7951f13 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -22,7 +22,6 @@ on:
 
 jobs:
   analyze:
-    name: analyze
     runs-on: ubuntu-latest
     permissions:
       actions: read
@@ -37,47 +36,48 @@ jobs:
         # Learn more about CodeQL language support at https://git.io/codeql-language-support
 
     steps:
-    - name: Checkout repository
-      uses: actions/checkout@v2
-    - name: Set up JDK 11
-      uses: actions/setup-java@v1
-      with:
-        java-version: 11
-        settings-path: ${{ github.workspace }}
+      - name: Checkout repository
+        uses: actions/checkout@v4
+      - name: Set up JDK 11
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'zulu'
+          java-version: '11'
+          settings-path: ${{ github.workspace }}
 
-    - name: Load local Maven repository cache
-      uses: actions/cache@v2
-      with:
-        path: ~/.m2/repository
-        key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
-        restore-keys: |
-           ${{ runner.os }}-maven-
-           
-    # Initializes the CodeQL tools for scanning.
-    - name: Initialize CodeQL
-      uses: github/codeql-action/init@v1
-      with:
-        languages: ${{ matrix.language }}
-        # If you wish to specify custom queries, you can do so here or in a config file.
-        # By default, queries listed here will override any specified in a config file.
-        # Prefix the list here with "+" to use these queries and those in the config file.
-        # queries: ./path/to/local/query, your-org/your-repo/queries@main
+      - name: Load local Maven repository cache
+        uses: actions/cache@v4
+        with:
+          path: ~/.m2/repository
+          key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
+          restore-keys: |
+            ${{ runner.os }}-maven-
 
-    # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
-    # If this step fails, then you should remove it and run the build manually (see below)
-    - name: Autobuild
-      uses: github/codeql-action/autobuild@v1
+      # Initializes the CodeQL tools for scanning.
+      - name: Initialize CodeQL
+        uses: github/codeql-action/init@v3
+        with:
+          languages: ${{ matrix.language }}
+          # If you wish to specify custom queries, you can do so here or in a config file.
+          # By default, queries listed here will override any specified in a config file.
+          # Prefix the list here with "+" to use these queries and those in the config file.
+          # queries: ./path/to/local/query, your-org/your-repo/queries@main
 
-    # ℹ️ Command-line programs to run using the OS shell.
-    # 📚 https://git.io/JvXDl
+      # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
+      # If this step fails, then you should remove it and run the build manually (see below)
+      - name: Autobuild
+        uses: github/codeql-action/autobuild@v3
 
-    # ✏️ If the Autobuild fails above, remove it and uncomment the following three lines
-    #    and modify them (or add more) to build your code if your project
-    #    uses a compiled language
+      # ℹ️ Command-line programs to run using the OS shell.
+      # 📚 https://git.io/JvXDl
 
-    #- run: |
-    #   make bootstrap
-    #   make release
+      # ✏️ If the Autobuild fails above, remove it and uncomment the following three lines
+      #    and modify them (or add more) to build your code if your project
+      #    uses a compiled language
 
-    - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@v1
+      #- run: |
+      #   make bootstrap
+      #   make release
+
+      - name: Perform CodeQL Analysis
+        uses: github/codeql-action/analyze@v3
diff --git a/pom.xml b/pom.xml
index edf7d3f..28f0176 100644
--- a/pom.xml
+++ b/pom.xml
@@ -17,31 +17,61 @@
     <spring.version>5.3.31</spring.version>
   </properties>
 
-  <!-- we only need to tell maven where to find our parent pom and other QBiC dependencies -->
   <repositories>
-      <!-- The order of definitions matters. Explicitly defining central here to make sure it has the highest priority. -->
-      <!-- Main Maven repository -->
-      <repository>
-        <id>central</id>
-        <url>https://repo.maven.apache.org/maven2</url>
-        <snapshots>
-          <enabled>false</enabled>
-        </snapshots>
-      </repository>
-      <repository>
-        <id>nexus-releases</id>
-        <name>QBiC Releases</name>
-        <releases>
-          <checksumPolicy>fail</checksumPolicy>
-          <enabled>true</enabled>
-          <updatePolicy>always</updatePolicy>
-        </releases>
-        <snapshots>
-          <enabled>false</enabled>
-        </snapshots>
-        <url>https://qbic-repo.qbic.uni-tuebingen.de/repository/maven-releases</url>
-      </repository>
+    <repository>
+      <releases>
+        <enabled>true</enabled>
+        <updatePolicy>always</updatePolicy>
+        <checksumPolicy>fail</checksumPolicy>
+      </releases>
+      <snapshots>
+        <enabled>false</enabled>
+      </snapshots>
+      <id>maven-central</id>
+      <name>Maven central</name>
+      <url>https://repo.maven.apache.org/maven2</url>
+    </repository>
+    <repository>
+      <releases>
+        <enabled>false</enabled>
+      </releases>
+      <snapshots>
+        <enabled>true</enabled>
+        <updatePolicy>always</updatePolicy>
+        <checksumPolicy>fail</checksumPolicy>
+      </snapshots>
+      <id>nexus-snapshots</id>
+      <name>QBiC Snapshots</name>
+      <url>https://qbic-repo.qbic.uni-tuebingen.de/repository/maven-snapshots</url>
+    </repository>
+    <repository>
+      <releases>
+        <enabled>true</enabled>
+        <updatePolicy>always</updatePolicy>
+        <checksumPolicy>fail</checksumPolicy>
+      </releases>
+      <snapshots>
+        <enabled>false</enabled>
+      </snapshots>
+      <id>nexus-releases</id>
+      <name>QBiC Releases</name>
+      <url>https://qbic-repo.qbic.uni-tuebingen.de/repository/maven-releases</url>
+    </repository>
   </repositories>
+  <distributionManagement>
+    <repository>
+      <uniqueVersion>true</uniqueVersion>
+      <id>nexus-releases</id>
+      <name>QBiC Releases</name>
+      <url>https://qbic-repo.qbic.uni-tuebingen.de/repository/maven-releases</url>
+    </repository>
+    <snapshotRepository>
+      <uniqueVersion>false</uniqueVersion>
+      <id>nexus-snapshots</id>
+      <name>QBiC Snapshots</name>
+      <url>https://qbic-repo.qbic.uni-tuebingen.de/repository/maven-snapshots</url>
+    </snapshotRepository>
+  </distributionManagement>
 
   <dependencies>
     <!-- https://mvnrepository.com/artifact/org.apache.logging.log4j/log4j-core -->