diff --git a/.github/workflows/build-release.yml b/.github/workflows/build-release.yml
new file mode 100644
index 0000000..1194c80
--- /dev/null
+++ b/.github/workflows/build-release.yml
@@ -0,0 +1,135 @@
+name: Build and Release
+
+on:
+  push:
+    branches: [ master, main ]
+  pull_request:
+    branches: [ master, main ]
+
+jobs:
+  build:
+    runs-on: windows-latest
+
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        fetch-depth: 1
+
+    - name: Setup .NET
+      uses: actions/setup-dotnet@v4
+      with:
+        dotnet-version: '8.0.x'
+
+    - name: Restore dependencies
+      run: dotnet restore
+
+    - name: Build and publish for multiple platforms
+      run: |
+        dotnet publish -c Release --self-contained -r osx-x64
+        dotnet publish -c Release --self-contained -r centos-x64
+        dotnet publish -c Release --self-contained -r rhel-x64
+        dotnet publish -c Release --self-contained -r linux-x64
+        dotnet publish -c Release --self-contained -r win-x64
+
+    - name: Create artifacts
+      uses: actions/upload-artifact@v4
+      with:
+        name: centos-x64-binaries
+        path: cli-exakvdocsign/bin/Release/net8.0/centos-x64/publish/
+
+    - name: Upload Linux x64 artifacts
+      uses: actions/upload-artifact@v4
+      with:
+        name: linux-x64-binaries
+        path: cli-exakvdocsign/bin/Release/net8.0/linux-x64/publish/
+
+    - name: Upload RHEL x64 artifacts
+      uses: actions/upload-artifact@v4
+      with:
+        name: rhel-x64-binaries
+        path: cli-exakvdocsign/bin/Release/net8.0/rhel-x64/publish/
+
+    - name: Upload macOS x64 artifacts
+      uses: actions/upload-artifact@v4
+      with:
+        name: osx-x64-binaries
+        path: cli-exakvdocsign/bin/Release/net8.0/osx-x64/publish/
+
+    - name: Upload Windows x64 artifacts
+      uses: actions/upload-artifact@v4
+      with:
+        name: win-x64-binaries
+        path: cli-exakvdocsign/bin/Release/net8.0/win-x64/publish/
+
+  release:
+    needs: build
+    runs-on: ubuntu-latest
+    if: github.ref == 'refs/heads/master' || github.ref == 'refs/heads/main'
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Download all artifacts
+      uses: actions/download-artifact@v4
+
+    - name: Create Release
+      id: create_release
+      uses: actions/create-release@v1
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      with:
+        tag_name: v${{ github.run_number }}
+        release_name: Release v${{ github.run_number }}
+        body: ${{ github.event.head_commit.message }}
+        draft: true
+        prerelease: false
+
+    - name: Upload centos-x64 Release Asset
+      uses: actions/upload-release-asset@v1
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      with:
+        upload_url: ${{ steps.create_release.outputs.upload_url }}
+        asset_path: ./centos-x64-binaries
+        asset_name: centos-x64-binaries.zip
+        asset_content_type: application/zip
+
+    - name: Upload linux-x64 Release Asset
+      uses: actions/upload-release-asset@v1
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      with:
+        upload_url: ${{ steps.create_release.outputs.upload_url }}
+        asset_path: ./linux-x64-binaries
+        asset_name: linux-x64-binaries.zip
+        asset_content_type: application/zip
+
+    - name: Upload rhel-x64 Release Asset
+      uses: actions/upload-release-asset@v1
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      with:
+        upload_url: ${{ steps.create_release.outputs.upload_url }}
+        asset_path: ./rhel-x64-binaries
+        asset_name: rhel-x64-binaries.zip
+        asset_content_type: application/zip
+
+    - name: Upload osx-x64 Release Asset
+      uses: actions/upload-release-asset@v1
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      with:
+        upload_url: ${{ steps.create_release.outputs.upload_url }}
+        asset_path: ./osx-x64-binaries
+        asset_name: osx-x64-binaries.zip
+        asset_content_type: application/zip
+
+    - name: Upload win-x64 Release Asset
+      uses: actions/upload-release-asset@v1
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      with:
+        upload_url: ${{ steps.create_release.outputs.upload_url }}
+        asset_path: ./win-x64-binaries
+        asset_name: win-x64-binaries.zip
+        asset_content_type: application/zip
\ No newline at end of file
diff --git a/cli-exakvdocsign/CustomR256Signature.cs b/cli-exakvdocsign/CustomR256Signature.cs
index e98bc99..4712cb7 100644
--- a/cli-exakvdocsign/CustomR256Signature.cs
+++ b/cli-exakvdocsign/CustomR256Signature.cs
@@ -77,16 +77,16 @@ public class RSAPKCS1SHA256SignatureDescription : SignatureDescription
         ///     Construct an RSAPKCS1SHA256SignatureDescription object. The default settings for this object
         ///     are:
         ///     <list type="bullet">
-        ///         <item>Digest algorithm - <see cref="SHA256Managed" /></item>
-        ///         <item>Key algorithm - <see cref="RSACryptoServiceProvider" /></item>
+        ///         <item>Digest algorithm - <see cref="SHA256" /></item>
+        ///         <item>Key algorithm - <see cref="RSA" /></item>
         ///         <item>Formatter algorithm - <see cref="RSAPKCS1SignatureFormatter" /></item>
         ///         <item>Deformatter algorithm - <see cref="RSAPKCS1SignatureDeformatter" /></item>
         ///     </list>
         /// </summary>
         public RSAPKCS1SHA256SignatureDescription()
         {
-            KeyAlgorithm = typeof(RSACryptoServiceProvider).FullName;
-            DigestAlgorithm = typeof(SHA256Managed).FullName;   // Note - SHA256CryptoServiceProvider is not registered with CryptoConfig
+            KeyAlgorithm = typeof(RSA).FullName; // Updated from RSACryptoServiceProvider
+            DigestAlgorithm = typeof(SHA256).FullName; // Updated from SHA256Managed
             FormatterAlgorithm = typeof(RSAPKCS1SignatureFormatter).FullName;
             DeformatterAlgorithm = typeof(RSAPKCS1SignatureDeformatter).FullName;
         }
diff --git a/cli-exakvdocsign/CustomSigner.cs b/cli-exakvdocsign/CustomSigner.cs
index bd96126..d542e8f 100644
--- a/cli-exakvdocsign/CustomSigner.cs
+++ b/cli-exakvdocsign/CustomSigner.cs
@@ -7,9 +7,8 @@
 using System.Security.Cryptography.Xml;
 using System.Text;
 using System.Reflection;
-using Microsoft.Azure.KeyVault;
-using Microsoft.Azure.KeyVault.Models;
-
+using Azure.Security.KeyVault.Keys;
+using Azure.Security.KeyVault.Keys.Cryptography;
 
 namespace cli_exakvdocsign
 {
@@ -17,7 +16,15 @@ public class CustomSigner: CustomSignedXml.ISignerProvider
     {
         public byte[] Sign(byte[] data)
         {
-            return cli_exakvdocsign.Program.keyVault.SignAsync(cli_exakvdocsign.Program.KeyVaultAddress, cli_exakvdocsign.Program.publicCertBundle.KeyIdentifier.Name, cli_exakvdocsign.Program.publicCertBundle.KeyIdentifier.Version, Microsoft.Azure.KeyVault.WebKey.JsonWebKeySignatureAlgorithm.RS256, data).Result.Result;
+            // Create cryptography client for the key
+            var cryptographyClient = new CryptographyClient(cli_exakvdocsign.Program.secretKey.Id, new Azure.Identity.ClientSecretCredential(
+                tenantId: Environment.GetEnvironmentVariable("AZURE_TENANT_ID"),
+                clientId: Environment.GetEnvironmentVariable("AZURE_CLIENT_ID"), // You'll need to expose this from Program
+                clientSecret: Environment.GetEnvironmentVariable("AZURE_CLIENT_SECRET"))); // You'll need to expose this from Program
+
+            // Sign the data using RS256 algorithm
+            var signResult = cryptographyClient.SignAsync(SignatureAlgorithm.RS256, data).Result;
+            return signResult.Signature;
         }
     }
 }
diff --git a/cli-exakvdocsign/Program.cs b/cli-exakvdocsign/Program.cs
index 9e821b8..12b4a57 100644
--- a/cli-exakvdocsign/Program.cs
+++ b/cli-exakvdocsign/Program.cs
@@ -3,29 +3,25 @@ Example Azure KeyVault HSM Protected Key XML Signing
  */
 
 using System;
-using System.Net.Http;
 using System.Security.Cryptography.X509Certificates;
 using System.Threading.Tasks;
 using System.Xml;
 using System.Security.Cryptography;
 using System.Security.Cryptography.Xml;
-using Microsoft.Azure.KeyVault;
-using Microsoft.Azure.KeyVault.Models;
-using Microsoft.Extensions.Configuration;
-using Microsoft.Extensions.Configuration.AzureKeyVault;
-using Microsoft.IdentityModel.Clients.ActiveDirectory;
+using Azure.Security.KeyVault.Keys;
+using Azure.Security.KeyVault.Certificates;
+using Azure.Identity;
 using System.Text;
 
-
 namespace cli_exakvdocsign
 {
-class Program
+    class Program
     {
         // AAD Application ID - Create a new application registration and grant it appropriate rights to the KeyVault.
         private static string AADClientID;
         // AAD Application Secret/Key - Create a "password key" that lives for the desired validity period before expiring.
         private static string AADClientSecret;
-        // KeyVault Address - Full address of deployed KeyVault. 
+        // KeyVault Address - Full address of deployed KeyVault.
         internal static string KeyVaultAddress;
         //certificate name  - Provided in creation of cert, also visible in key identifier. (*.vault.azure.net/keys/<certnamehere/*)
         internal static string CertName;
@@ -34,41 +30,46 @@ class Program
         //file name and path of where to save the signed xml document.
         private static string XMLFileOutputName;
 
-        //instantiated KeyVault client used through the example.
-        internal static KeyVaultClient keyVault;
-        //retrieved keybundle (private key). Note, the actual private key is never returned by Azure KeyVault HSM.
-        internal static KeyBundle secretKeyBundle;
-        //retrieved public certificate bundle. This will also hold a reference the the appropriate private key information.
-        internal static CertificateBundle publicCertBundle;
-        
+        //instantiated KeyVault clients used through the example.
+        internal static KeyClient keyClient;
+        internal static CertificateClient certificateClient;
+        //retrieved key
+        internal static KeyVaultKey secretKey;
+        //retrieved public certificate
+        internal static KeyVaultCertificateWithPolicy publicCert;
+
         //holds file name of signed xml to check. When populated, no other actions are ran.
         private static string ValidateFile = null;
 
-       
-        
-        static void Main(string[] args)
+        // Add these static properties to the Program class:
+        internal static string TenantID;
+
+        static async Task Main(string[] args)
         {
             try{
                 //run through the arguments and break them into variables.
                 ProcessArgs(args);
 
-                //if user is requesting validaiton of a file, only run verifydoc and exit.
+                //if user is requesting validation of a file, only run verifydoc and exit.
                 if(ValidateFile != null)
                 {
                     VerifyDoc();
                 }
                 else{
-                    
-                    //create KeyVault Client and authenticate with AAD. (GetAccessToken method.)
-                    keyVault = new KeyVaultClient(
-                        new KeyVaultClient.AuthenticationCallback(GetAccessToken),
-                        new HttpClient());
-                    
-                    //get cert bundle from supplied certificate name.
-                    publicCertBundle = keyVault.GetCertificateAsync(KeyVaultAddress, CertName).Result;
-                    //get secret (private key) bundle from information in public cert bundle pointing to current key and version associated to cert.
-                    secretKeyBundle = keyVault.GetKeyAsync(publicCertBundle.KeyIdentifier.Vault, publicCertBundle.KeyIdentifier.Name).Result;
-                    
+
+                    //create KeyVault Clients with Azure Identity
+                    var credential = new ClientSecretCredential(
+                        tenantId: Environment.GetEnvironmentVariable("AZURE_TENANT_ID"), // You'll need to add this
+                        clientId: AADClientID,
+                        clientSecret: AADClientSecret);
+
+                    keyClient = new KeyClient(new Uri(KeyVaultAddress), credential);
+                    certificateClient = new CertificateClient(new Uri(KeyVaultAddress), credential);
+
+                    //get cert from supplied certificate name.
+                    publicCert = await certificateClient.GetCertificateAsync(CertName);
+                    //get key from certificate
+                    secretKey = await keyClient.GetKeyAsync(CertName);
 
                     //sign the doc yo!
                     SignDoc();
@@ -79,16 +80,6 @@ static void Main(string[] args)
             }
         }
 
-        public static async Task<string> GetAccessToken(string authority, string resource, string scope)  
-        {  
-            ClientCredential clientCredential = new ClientCredential(AADClientID, AADClientSecret);  
-        
-            var context = new AuthenticationContext(authority, TokenCache.DefaultShared);  
-            var result = await context.AcquireTokenAsync(resource, clientCredential);  
-        
-            return result.AccessToken;  
-        }  
-
         private static void ProcessArgs(string[] args){
             if(args.Length > 0){
                 for(int i =0; i < args.Length; i++){
@@ -114,6 +105,10 @@ private static void ProcessArgs(string[] args){
                     else if(args[i].StartsWith("-xmlfiletosave")){
                         XMLFileOutputName = args[i+1];
                     }
+                    else if(args[i].StartsWith("-tenantid"))
+                    {
+                        TenantID = args[i].Substring(10);
+                    }
                 }
             }
             else{
@@ -147,8 +142,8 @@ public static void SignDoc(){
                 // Load an XML file into the XmlDocument object.
                 xmlDoc.PreserveWhitespace = true;
                 xmlDoc.Load(XMLFileName);
-                
-                // Sign the XML document. 
+
+                // Sign the XML document.
                 SignXml(xmlDoc);
 
             }
@@ -164,19 +159,15 @@ public static void VerifyDoc(){
                 // Load an XML file into the XmlDocument object.
                 xmlDoc.PreserveWhitespace = true;
                 xmlDoc.Load(ValidateFile);
-                
-                // Sign the XML document. 
+
+                // Sign the XML document.
                 Console.WriteLine("The file validation results in: " + Verify(xmlDoc));
         }
 
-        //sourced https://docs.microsoft.com/en-us/dotnet/standard/security/how-to-sign-xml-documents-with-digital-signatures
-        // Sign an XML file. 
-        // This document cannot be verified unless the verifying 
-        // code has the key with which it was signed.
         public static void SignXml(XmlDocument xmlDoc)
         {
-            RSA key = secretKeyBundle.Key.ToRSA();
-            
+            RSA key = secretKey.Key.ToRSA();
+
             // Check arguments.
             if (xmlDoc == null)
                 throw new ArgumentException("xmlDoc");
@@ -192,14 +183,12 @@ public static void SignXml(XmlDocument xmlDoc)
             // add key info
             KeyInfo importKeyInfo = new KeyInfo();
             KeyInfoX509Data importKeyInfoData = new KeyInfoX509Data();
-            X509Certificate tempCert = new X509Certificate(publicCertBundle.Cer);
+            X509Certificate tempCert = new X509Certificate(publicCert.Cer);
             importKeyInfoData.AddCertificate(tempCert);
             importKeyInfoData.AddIssuerSerial(tempCert.Issuer, tempCert.GetSerialNumberString());
 
             importKeyInfo.AddClause(importKeyInfoData);
             signedXml.KeyInfo = importKeyInfo;
-            
-
 
             // Create a reference to be signed.
             Reference reference = new Reference();
@@ -225,8 +214,7 @@ public static void SignXml(XmlDocument xmlDoc)
             xmlDoc.Save(XMLFileOutputName);
 
             var test = Verify(xmlDoc);
-            Console.WriteLine("XML Signed and validated as: " + test.ToString());         
-
+            Console.WriteLine("XML Signed and validated as: " + test.ToString());
         }
 
         public static bool Verify(XmlDocument document)
@@ -251,9 +239,6 @@ public static bool Verify(XmlDocument document)
                 }
             }
             return signed.CheckSignature(new X509Certificate2(cer), true);
-
         }
-
-
     }
 }
diff --git a/cli-exakvdocsign/cli-exakvdocsign.csproj b/cli-exakvdocsign/cli-exakvdocsign.csproj
index 8262300..bd3ea5f 100644
--- a/cli-exakvdocsign/cli-exakvdocsign.csproj
+++ b/cli-exakvdocsign/cli-exakvdocsign.csproj
@@ -2,15 +2,13 @@
   <PropertyGroup>
     <OutputType>Exe</OutputType>
     <IsPackable>true</IsPackable>
-    <TargetFramework>netcoreapp2.0</TargetFramework>
-      <RuntimeIdentifiers>linux-x64;centos-x64;rhel-x64;osx-x64;win-x64;win-x86</RuntimeIdentifiers>
+    <TargetFramework>net8.0</TargetFramework>
+    <RuntimeIdentifiers>linux-x64;centos-x64;rhel-x64;osx-x64;win-x64;win-x86</RuntimeIdentifiers>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Microsoft.Azure.KeyVault" Version="3.0.8" />
-    <PackageReference Include="Microsoft.Extensions.Configuration" Version="2.2.0" />
-    <PackageReference Include="Microsoft.Extensions.Configuration.AzureKeyVault" Version="3.1.24" />
-    <PackageReference Include="Microsoft.IdentityModel.Clients.ActiveDirectory" Version="5.3.0" />
-    <PackageReference Include="System.Security.Cryptography.Algorithms" Version="4.3.1" />
+    <PackageReference Include="Microsoft.Extensions.Configuration" Version="8.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.AzureKeyVault" Version="8.0.0" />
+    <PackageReference Include="Azure.Identity" Version="1.12.0" />
     <PackageReference Include="System.Security.Cryptography.Xml" Version="8.0.0" />
     <PackageReference Include="Azure.Security.KeyVault.Keys" Version="4.6.0" />
     <PackageReference Include="Azure.Security.KeyVault.Secrets" Version="4.6.0" />