diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 64fe4f0..745919d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -25,7 +25,7 @@ jobs:
 
     steps:
     - name: Check out repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
 
     - name: OIDC Login to Azure
       if: ${{ env.BUILD_CONFIGURATION == 'Release' }}
@@ -39,11 +39,12 @@ jobs:
       shell: pwsh
       run: ./build.ps1 -Configuration $env:BUILD_CONFIGURATION -Task Build
       env:
-        AZURE_KEYVAULT_NAME: ${{ env.BUILD_CONFIGURATION == 'Release' && secrets.AZURE_KEYVAULT_NAME || '' }}
-        AZURE_KEYVAULT_CERT: ${{ env.BUILD_CONFIGURATION == 'Release' && secrets.AZURE_KEYVAULT_CERT || '' }}
+        AZURE_TS_NAME: ${{ env.BUILD_CONFIGURATION == 'Release' && secrets.AZURE_TS_NAME || '' }}
+        AZURE_TS_PROFILE: ${{ env.BUILD_CONFIGURATION == 'Release' && secrets.AZURE_TS_PROFILE || '' }}
+        AZURE_TS_ENDPOINT: ${{ env.BUILD_CONFIGURATION == 'Release' && secrets.AZURE_TS_ENDPOINT || '' }}
 
     - name: Capture PowerShell Module
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v6
       with:
         name: PSModule
         path: output/*.nupkg
@@ -79,10 +80,10 @@ jobs:
           version: '7.5.0'
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
 
     - name: Restore Built PowerShell Module
-      uses: actions/download-artifact@v4
+      uses: actions/download-artifact@v7
       with:
         name: PSModule
         path: output
@@ -98,21 +99,21 @@ jobs:
 
     - name: Upload Test Results
       if: always()
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v6
       with:
         name: Unit Test Results (${{ matrix.info.name }})
         path: ./output/TestResults/Pester.xml
 
     - name: Upload Coverage Results
       if: always()
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v6
       with:
         name: Coverage Results (${{ matrix.info.name }})
         path: ./output/TestResults/Coverage.xml
 
     - name: Upload Coverage to codecov
       if: always()
-      uses: codecov/codecov-action@v4
+      uses: codecov/codecov-action@v5
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
         files: ./output/TestResults/Coverage.xml
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 00064cb..7301f9b 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -14,7 +14,7 @@ jobs:
 
     steps:
     - name: Download
-      uses: dawidd6/action-download-artifact@v9
+      uses: dawidd6/action-download-artifact@v12
       with:
         workflow: ci.yml
         commit: ${{ github.sha }}
diff --git a/tools/InvokeBuild.ps1 b/tools/InvokeBuild.ps1
index 28482b3..63fea07 100644
--- a/tools/InvokeBuild.ps1
+++ b/tools/InvokeBuild.ps1
@@ -63,17 +63,23 @@ task BuildDocs {
 }
 
 task Sign {
-    $vaultName = $env:AZURE_KEYVAULT_NAME
-    $vaultCert = $env:AZURE_KEYVAULT_CERT
-    if (-not $vaultName -or -not $vaultCert) {
+    $accountName = $env:AZURE_TS_NAME
+    $profileName = $env:AZURE_TS_PROFILE
+    $endpoint = $env:AZURE_TS_ENDPOINT
+    if (-not $accountName -or -not $profileName -or -not $endpoint) {
         return
     }
 
-    Write-Host "Authenticating with Azure KeyVault '$vaultName' for signing" -ForegroundColor Cyan
-    $key = Get-OpenAuthenticodeAzKey -Vault $vaultName -Certificate $vaultCert
+    Write-Host "Authenticating with Azure TrustedSigning $accountName $profileName for signing" -ForegroundColor Cyan
+    $keyParams = @{
+        AccountName = $accountName
+        ProfileName = $profileName
+        Endpoint = $endpoint
+    }
+    $key = Get-OpenAuthenticodeAzTrustedSigner @keyParams
     $signParams = @{
         Key = $key
-        TimeStampServer = 'http://timestamp.digicert.com'
+        TimeStampServer = 'http://timestamp.acs.microsoft.com'
     }
 
     $toSign = Get-ChildItem -LiteralPath $Manifest.ReleasePath -Recurse -ErrorAction SilentlyContinue |