diff --git a/.github/actions/download-artifact/action.yml b/.github/actions/download-artifact/action.yml
deleted file mode 100644
index 7227ff20..00000000
--- a/.github/actions/download-artifact/action.yml
+++ /dev/null
@@ -1,32 +0,0 @@
-name: Download artifact
-description: Wrapper around GitHub's official action, with additional extraction before download
-
-# https://github.com/actions/download-artifact/blob/main/action.yml
-# https://github.com/actions/upload-artifact/issues/199
-inputs:
-  name:
-    description: Artifact name
-    required: true
-  path:
-    description: Destination path
-    required: false
-    default: .
-
-runs:
-  using: composite
-  steps:
-    - name: Download artifacts
-      uses: actions/download-artifact@v3
-      with:
-        name: ${{ inputs.name }}
-        path: ${{ inputs.path }}
-
-    - name: Extract artifacts
-      run: tar -xvf ${{ inputs.name }}.tar
-      shell: bash
-      working-directory: ${{ inputs.path }}
-
-    - name: Remove archive
-      run: rm -f ${{ inputs.name }}.tar
-      shell: bash
-      working-directory: ${{ inputs.path }}
diff --git a/.github/actions/upload-artifact/action.yml b/.github/actions/upload-artifact/action.yml
deleted file mode 100644
index b8aeff26..00000000
--- a/.github/actions/upload-artifact/action.yml
+++ /dev/null
@@ -1,47 +0,0 @@
-name: Upload artifact
-description: Wrapper around GitHub's official action, with additional archiving before upload
-
-# https://github.com/actions/upload-artifact/blob/main/action.yml
-# https://github.com/actions/upload-artifact/issues/199
-inputs:
-  name:
-    description: Artifact name
-    required: true
-  path:
-    description: One or more files, directories or wildcard pattern that describes what to upload
-    required: true
-  if-no-files-found:
-    description: >
-      The desired behavior if no files are found using the provided path.
-      Available Options:
-        warn: Output a warning but do not fail the action
-        error: Fail the action with an error message
-        ignore: Do not output any warnings or errors, the action does not fail
-    required: false
-    default: warn
-  retention-days:
-    description: >
-      Duration after which artifact will expire in days. 0 means using default retention.
-      Minimum 1 day.
-      Maximum 90 days unless changed from the repository settings page.
-    required: false
-    default: '0'
-
-runs:
-  using: composite
-  steps:
-    - name: Archive artifacts
-      run: tar -cv -I 'xz -0 -T0' -f ${{ inputs.name }}.tar $(echo "${{ inputs.path }}" | tr '\n' ' ')
-      shell: bash
-
-    - name: Upload artifacts
-      uses: actions/upload-artifact@v3
-      with:
-        if-no-files-found: ${{ inputs.if-no-files-found }}
-        name: ${{ inputs.name }}
-        path: ${{ inputs.name }}.tar
-        retention-days: ${{ inputs.retention-days }}
-
-    - name: Remove archive
-      run: rm -f ${{ inputs.name }}.tar
-      shell: bash
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index a3a28785..f4d9108a 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -50,7 +50,7 @@ jobs:
 
     steps:
       # Setup
-      - uses: actions/setup-dotnet@v3
+      - uses: actions/setup-dotnet@v4
         with:
           dotnet-version: ${{ env.dotnet-version }}
 
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index e1b45229..df735b7f 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -40,12 +40,12 @@ jobs:
           fetch-tags: true
 
       - name: Install GitVersion ${{ env.GITVERSION }}
-        uses: gittools/actions/gitversion/setup@v0.10.2
+        uses: gittools/actions/gitversion/setup@v0.11.0
         with:
           versionSpec: ${{ env.GITVERSION }}
 
       - name: Determine version
-        uses: gittools/actions/gitversion/execute@v0.10.2
+        uses: gittools/actions/gitversion/execute@v0.11.0
         id: gitversion
         with:
           useConfigFile: true
@@ -62,7 +62,7 @@ jobs:
       msbuild-version-args: ${{ env.msbuild-version-args }}
     steps:
       # Setup
-      - uses: actions/setup-dotnet@v3
+      - uses: actions/setup-dotnet@v4
         with:
           dotnet-version: ${{ env.dotnet-version }}
 
@@ -75,7 +75,7 @@ jobs:
 
       # NuGet cache
       - name: Restore NuGet global package cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~/.nuget/packages
           key: ${{ runner.os }}-nuget-${{ hashFiles('**/*.targets','**/*.props','**/*.csproj') }} # Can't use packages.lock.json yet, because Dependabot does not support it.
@@ -88,7 +88,7 @@ jobs:
       # Build
       - run: dotnet build --no-restore -c Release ${{ env.msbuild-version-args }}
       - name: Upload build artifacts
-        uses: ./.github/actions/upload-artifact
+        uses: actions/upload-artifact@v4
         with:
           name: build
           path: |
@@ -109,7 +109,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       # Setup
-      - uses: actions/setup-dotnet@v3
+      - uses: actions/setup-dotnet@v4
         with:
           dotnet-version: ${{ env.dotnet-version }}
 
@@ -120,7 +120,7 @@ jobs:
 
       # Restore build artifacts
       - name: Download build artifacts
-        uses: ./.github/actions/download-artifact
+        uses: actions/download-artifact@v4
         with:
           name: build
 
@@ -134,7 +134,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       # Setup
-      - uses: actions/setup-dotnet@v3
+      - uses: actions/setup-dotnet@v4
         with:
           dotnet-version: ${{ env.dotnet-version }}
 
@@ -145,7 +145,7 @@ jobs:
 
       # NuGet cache (.NET Framework Reference assemblies are needed for pack)
       - name: Restore NuGet global package cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~/.nuget/packages
           key: ${{ runner.os }}-nuget-${{ hashFiles('**/*.targets','**/*.props','**/*.csproj') }} # Can't use packages.lock.json yet, because Dependabot does not support it.
@@ -155,14 +155,14 @@ jobs:
 
       # Restore build artifacts
       - name: Download build artifacts
-        uses: ./.github/actions/download-artifact
+        uses: actions/download-artifact@v4
         with:
           name: build
 
       # Pack
       - run: dotnet pack --no-restore --no-build -c Release ${{ needs.build.outputs.msbuild-version-args }}
       - name: Upload release artifacts
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: release-${{ needs.determine-version.outputs.package-version }}
           path: |
@@ -181,7 +181,7 @@ jobs:
     steps:
       # Restore release artifacts
       - name: Download release artifact
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: release-${{ needs.determine-version.outputs.package-version }}
 
diff --git a/.github/workflows/sonarcloud.yml b/.github/workflows/sonarcloud.yml
index 49bfdc08..8b917e62 100644
--- a/.github/workflows/sonarcloud.yml
+++ b/.github/workflows/sonarcloud.yml
@@ -35,17 +35,17 @@ jobs:
     needs: authorize
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/setup-dotnet@v3
+      - uses: actions/setup-dotnet@v4
         with:
           dotnet-version: ${{ env.dotnet-version }}
 
       - run: dotnet --info
 
-      - uses: actions/setup-node@v3
+      - uses: actions/setup-node@v4
         with:
-          node-version: 18
+          node-version: 20
 
-      - uses: actions/setup-java@v3
+      - uses: actions/setup-java@v4
         with:
           distribution: "temurin"
           java-version: "17"