diff --git a/libs/keyStore/package.json b/libs/keyStore/package.json
index 73b4227..083a146 100644
--- a/libs/keyStore/package.json
+++ b/libs/keyStore/package.json
@@ -35,7 +35,7 @@
     "typescript": "3.9.2"
   },
   "dependencies": {
-    "verifiablecredentials-crypto-sdk-typescript-keys": "1.1.11-preview.7",
+    "verifiablecredentials-crypto-sdk-typescript-keys": "1.1.11-preview.8",
     "@types/node": "12.12.16",
     "base64url": "^3.0.1",
     "clone": "^2.1.2",
diff --git a/libs/plugin-cryptofactory-suites/package.json b/libs/plugin-cryptofactory-suites/package.json
index d5ff807..c7fabd7 100644
--- a/libs/plugin-cryptofactory-suites/package.json
+++ b/libs/plugin-cryptofactory-suites/package.json
@@ -36,9 +36,9 @@
     "typescript": "3.9.2"
   },
   "dependencies": {
-    "verifiablecredentials-crypto-sdk-typescript-keystore": "1.1.11-preview.7",
-    "verifiablecredentials-crypto-sdk-typescript-plugin": "1.1.11-preview.7",
-    "verifiablecredentials-crypto-sdk-typescript-plugin-elliptic": "1.1.11-preview.7",
+    "verifiablecredentials-crypto-sdk-typescript-keystore": "1.1.11-preview.8",
+    "verifiablecredentials-crypto-sdk-typescript-plugin": "1.1.11-preview.8",
+    "verifiablecredentials-crypto-sdk-typescript-plugin-elliptic": "1.1.11-preview.8",
     "base64url": "^3.0.1",
     "clone": "2.1.2",
     "webcrypto-core": "1.1.8"
diff --git a/libs/plugin-elliptic/package.json b/libs/plugin-elliptic/package.json
index 2abbffd..4fa5f57 100644
--- a/libs/plugin-elliptic/package.json
+++ b/libs/plugin-elliptic/package.json
@@ -29,7 +29,7 @@
     "elliptic": "6.5.3",
     "minimalistic-crypto-utils": "1.0.1",
     "sha.js": "^2.4.11",
-    "verifiablecredentials-crypto-sdk-typescript-plugin": "1.1.11-preview.7",
+    "verifiablecredentials-crypto-sdk-typescript-plugin": "1.1.11-preview.8",
     "webcrypto-core": "1.1.8"
   },
   "devDependencies": {
diff --git a/libs/plugin-factory/package.json b/libs/plugin-factory/package.json
index b30f144..ae9153d 100644
--- a/libs/plugin-factory/package.json
+++ b/libs/plugin-factory/package.json
@@ -39,10 +39,10 @@
   "dependencies": {
     "@azure/identity": "1.0.0",
     "lru-cache": "^5.1.1",
-    "verifiablecredentials-crypto-sdk-typescript-keystore": "1.1.11-preview.7",
-    "verifiablecredentials-crypto-sdk-typescript-plugin": "1.1.11-preview.7",
-    "verifiablecredentials-crypto-sdk-typescript-plugin-cryptofactory-suites": "1.1.11-preview.7",
-    "verifiablecredentials-crypto-sdk-typescript-plugin-keyvault": "1.1.11-preview.7",
+    "verifiablecredentials-crypto-sdk-typescript-keystore": "1.1.11-preview.8",
+    "verifiablecredentials-crypto-sdk-typescript-plugin": "1.1.11-preview.8",
+    "verifiablecredentials-crypto-sdk-typescript-plugin-cryptofactory-suites": "1.1.11-preview.8",
+    "verifiablecredentials-crypto-sdk-typescript-plugin-keyvault": "1.1.11-preview.8",
     "@types/node": "12.12.16",
     "webcrypto-core": "1.1.8"
   },
diff --git a/libs/plugin-keyvault/package.json b/libs/plugin-keyvault/package.json
index 077aa19..bc36172 100644
--- a/libs/plugin-keyvault/package.json
+++ b/libs/plugin-keyvault/package.json
@@ -47,10 +47,10 @@
     "@azure/identity": "1.0.0",
     "@azure/keyvault-keys": "4.0.2",
     "@azure/keyvault-secrets": "4.0.2",    
-    "verifiablecredentials-crypto-sdk-typescript-keys": "1.1.11-preview.7",
-    "verifiablecredentials-crypto-sdk-typescript-keystore": "1.1.11-preview.7",
-    "verifiablecredentials-crypto-sdk-typescript-plugin": "1.1.11-preview.7",
-    "verifiablecredentials-crypto-sdk-typescript-plugin-elliptic": "1.1.11-preview.7",
+    "verifiablecredentials-crypto-sdk-typescript-keys": "1.1.11-preview.8",
+    "verifiablecredentials-crypto-sdk-typescript-keystore": "1.1.11-preview.8",
+    "verifiablecredentials-crypto-sdk-typescript-plugin": "1.1.11-preview.8",
+    "verifiablecredentials-crypto-sdk-typescript-plugin-elliptic": "1.1.11-preview.8",
     "base64url": "3.0.1",
     "clone": "2.1.2",
     "webcrypto-core": "1.1.8"
diff --git a/libs/plugin-keyvault/src/keyStore/KeyStoreKeyVault.ts b/libs/plugin-keyvault/src/keyStore/KeyStoreKeyVault.ts
index a383054..f4acc4f 100644
--- a/libs/plugin-keyvault/src/keyStore/KeyStoreKeyVault.ts
+++ b/libs/plugin-keyvault/src/keyStore/KeyStoreKeyVault.ts
@@ -3,7 +3,7 @@
  *  Licensed under the MIT License. See License.txt in the project root for license information.
  *--------------------------------------------------------------------------------------------*/
 
-import { ClientCertificateCredential, ClientSecretCredential, TokenCredential } from '@azure/identity';
+import { TokenCredential } from '@azure/identity';
 import { KeyClient, JsonWebKey, CryptographyClient } from '@azure/keyvault-keys';
 import { SecretClient } from '@azure/keyvault-secrets';
 import { KeyStoreOptions, IKeyStore, KeyStoreListItem, KeyReference } from 'verifiablecredentials-crypto-sdk-typescript-keystore';
@@ -41,6 +41,11 @@ export default class KeyStoreKeyVault implements IKeyStore {
     }
   }
 
+  private chacheId(keyReference: KeyReference): string {
+    const reference = keyReference.remoteKeyReference || keyReference.keyReference;
+    const id = `${keyReference.type}-${reference}-${this.vaultUri}`;
+    return id;
+  }
 
   /**
    * Returns the key container associated with the specified
@@ -48,10 +53,11 @@ export default class KeyStoreKeyVault implements IKeyStore {
    * @param keyIdentifier for which to return the key.
      * @param [options] Options for retrieving.
    */
-  public async get(keyReference: KeyReference, options: KeyStoreOptions = new KeyStoreOptions({ extractable: false })): Promise<any> {
+  public async get(keyReference: KeyReference, options: KeyStoreOptions = new KeyStoreOptions({ extractable: false })): Promise<KeyContainer> {
     try {
       const client = this.getKeyStoreClient(keyReference.type);
       const keyName = keyReference.remoteKeyReference || keyReference.keyReference;
+
       const versionList: any[] = [];
       if (keyReference.type === KeyStoreKeyVault.SECRETS) {
         // Get extractable secrets 
diff --git a/libs/plugin/package.json b/libs/plugin/package.json
index 5b18d0f..872fdf8 100644
--- a/libs/plugin/package.json
+++ b/libs/plugin/package.json
@@ -35,8 +35,8 @@
     "typescript": "3.9.2"
   },
   "dependencies": {
-    "verifiablecredentials-crypto-sdk-typescript-keys": "1.1.11-preview.7",
-    "verifiablecredentials-crypto-sdk-typescript-keystore": "1.1.11-preview.7",
+    "verifiablecredentials-crypto-sdk-typescript-keys": "1.1.11-preview.8",
+    "verifiablecredentials-crypto-sdk-typescript-keystore": "1.1.11-preview.8",
     "@peculiar/webcrypto": "1.1.3",
     "@types/node": "12.12.16",
     "base64url": "^3.0.1",
diff --git a/libs/protocol-jose/package.json b/libs/protocol-jose/package.json
index fb63fce..7e820d7 100644
--- a/libs/protocol-jose/package.json
+++ b/libs/protocol-jose/package.json
@@ -39,11 +39,11 @@
     "typescript": "3.9.2"
   },
   "dependencies": {
-    "verifiablecredentials-crypto-sdk-typescript-keys": "1.1.11-preview.7",
-    "verifiablecredentials-crypto-sdk-typescript-keystore": "1.1.11-preview.7",
-    "verifiablecredentials-crypto-sdk-typescript-plugin": "1.1.11-preview.7",
-    "verifiablecredentials-crypto-sdk-typescript-protocols-common": "1.1.11-preview.7",
-    "verifiablecredentials-crypto-sdk-typescript-plugin-cryptofactory-suites": "1.1.11-preview.7",
+    "verifiablecredentials-crypto-sdk-typescript-keys": "1.1.11-preview.8",
+    "verifiablecredentials-crypto-sdk-typescript-keystore": "1.1.11-preview.8",
+    "verifiablecredentials-crypto-sdk-typescript-plugin": "1.1.11-preview.8",
+    "verifiablecredentials-crypto-sdk-typescript-protocols-common": "1.1.11-preview.8",
+    "verifiablecredentials-crypto-sdk-typescript-plugin-cryptofactory-suites": "1.1.11-preview.8",
     "base64url": "^3.0.1",
     "typescript-map": "0.0.7",
     "webcrypto-core": "1.1.8"
diff --git a/libs/protocols-common/package.json b/libs/protocols-common/package.json
index 0baa40a..46da347 100644
--- a/libs/protocols-common/package.json
+++ b/libs/protocols-common/package.json
@@ -39,9 +39,9 @@
     "typescript": "3.9.2"
   },
   "dependencies": {
-    "verifiablecredentials-crypto-sdk-typescript-keys": "1.1.11-preview.7",
-    "verifiablecredentials-crypto-sdk-typescript-keystore": "1.1.11-preview.7",
-    "verifiablecredentials-crypto-sdk-typescript-plugin": "1.1.11-preview.7",
+    "verifiablecredentials-crypto-sdk-typescript-keys": "1.1.11-preview.8",
+    "verifiablecredentials-crypto-sdk-typescript-keystore": "1.1.11-preview.8",
+    "verifiablecredentials-crypto-sdk-typescript-plugin": "1.1.11-preview.8",
     "base64url": "3.0.1",
     "typescript-map": "0.0.7",
     "webcrypto-core": "1.1.8"
diff --git a/libs/sdk/package.json b/libs/sdk/package.json
index 29ee860..3018edc 100644
--- a/libs/sdk/package.json
+++ b/libs/sdk/package.json
@@ -52,15 +52,15 @@
     "jsonld": "2.0.2",
     "typescript-map": "0.0.7",
     "uuid": "^8.3.1",
-    "verifiablecredentials-crypto-sdk-typescript-keys": "1.1.11-preview.7",
-    "verifiablecredentials-crypto-sdk-typescript-keystore": "1.1.11-preview.7",
-    "verifiablecredentials-crypto-sdk-typescript-plugin": "1.1.11-preview.7",
-    "verifiablecredentials-crypto-sdk-typescript-plugin-cryptofactory-suites": "1.1.11-preview.7",
-    "verifiablecredentials-crypto-sdk-typescript-plugin-elliptic": "1.1.11-preview.7",
-    "verifiablecredentials-crypto-sdk-typescript-plugin-factory": "1.1.11-preview.7",
-    "verifiablecredentials-crypto-sdk-typescript-plugin-keyvault": "1.1.11-preview.7",
-    "verifiablecredentials-crypto-sdk-typescript-protocol-jose": "1.1.11-preview.7",
-    "verifiablecredentials-crypto-sdk-typescript-protocols-common": "1.1.11-preview.7",
+    "verifiablecredentials-crypto-sdk-typescript-keys": "1.1.11-preview.8",
+    "verifiablecredentials-crypto-sdk-typescript-keystore": "1.1.11-preview.8",
+    "verifiablecredentials-crypto-sdk-typescript-plugin": "1.1.11-preview.8",
+    "verifiablecredentials-crypto-sdk-typescript-plugin-cryptofactory-suites": "1.1.11-preview.8",
+    "verifiablecredentials-crypto-sdk-typescript-plugin-elliptic": "1.1.11-preview.8",
+    "verifiablecredentials-crypto-sdk-typescript-plugin-factory": "1.1.11-preview.8",
+    "verifiablecredentials-crypto-sdk-typescript-plugin-keyvault": "1.1.11-preview.8",
+    "verifiablecredentials-crypto-sdk-typescript-protocol-jose": "1.1.11-preview.8",
+    "verifiablecredentials-crypto-sdk-typescript-protocols-common": "1.1.11-preview.8",
     "webcrypto-core": "1.1.8"
   },
   "nyc": {
diff --git a/libs/sdk/tests/Jose.spec.ts b/libs/sdk/tests/Jose.spec.ts
index 808e25a..d1c1232 100644
--- a/libs/sdk/tests/Jose.spec.ts
+++ b/libs/sdk/tests/Jose.spec.ts
@@ -203,7 +203,6 @@ describe('Jose', () => {
             return;
         }
         const keyReference = new KeyReference(name, 'key');
-        cryptoKeyVault.builder.useSigningKeyReference(keyReference);
 
         try {
             for (let inx = 0; inx < 10; inx++) {