diff --git a/specification/cosmos-db/resource-manager/Microsoft.DocumentDB/preview/2021-11-15-preview/cosmos-db.json b/specification/cosmos-db/resource-manager/Microsoft.DocumentDB/preview/2021-11-15-preview/cosmos-db.json
index d027269b0bd7..2e559f0e2b07 100644
--- a/specification/cosmos-db/resource-manager/Microsoft.DocumentDB/preview/2021-11-15-preview/cosmos-db.json
+++ b/specification/cosmos-db/resource-manager/Microsoft.DocumentDB/preview/2021-11-15-preview/cosmos-db.json
@@ -8179,6 +8179,10 @@
         "value": {
           "type": "string",
           "description": "Reference / link to the KeyEncryptionKey."
+        },
+        "algorithm": {
+          "type": "string",
+          "description": "Algorithm used in wrapping and unwrapping of the data encryption key."
         }
       }
     },
diff --git a/specification/cosmos-db/resource-manager/Microsoft.DocumentDB/preview/2021-11-15-preview/examples/CosmosDBSqlClientEncryptionKeyCreateUpdate.json b/specification/cosmos-db/resource-manager/Microsoft.DocumentDB/preview/2021-11-15-preview/examples/CosmosDBSqlClientEncryptionKeyCreateUpdate.json
index 7407a34663fd..f9b4d2a77485 100644
--- a/specification/cosmos-db/resource-manager/Microsoft.DocumentDB/preview/2021-11-15-preview/examples/CosmosDBSqlClientEncryptionKeyCreateUpdate.json
+++ b/specification/cosmos-db/resource-manager/Microsoft.DocumentDB/preview/2021-11-15-preview/examples/CosmosDBSqlClientEncryptionKeyCreateUpdate.json
@@ -15,7 +15,8 @@
           "keyWrapMetadata": {
             "name": "customerManagedKey",
             "type": "AzureKeyVault",
-            "value": "AzureKeyVault Key URL"
+            "value": "AzureKeyVault Key URL",
+            "algorithm": "RSA-OAEP"
           }
         }
       }
@@ -35,7 +36,8 @@
             "keyWrapMetadata": {
               "name": "customerManagedKey",
               "type": "AzureKeyVault",
-              "value": "AzureKeyVault Key URL"
+              "value": "AzureKeyVault Key URL",
+              "algorithm": "RSA-OAEP"
             },
             "_rid": "tNc4AAAAAAAQkjzWAgAAAA==",
             "_ts": 1626425552,
diff --git a/specification/cosmos-db/resource-manager/Microsoft.DocumentDB/preview/2021-11-15-preview/examples/CosmosDBSqlClientEncryptionKeyGet.json b/specification/cosmos-db/resource-manager/Microsoft.DocumentDB/preview/2021-11-15-preview/examples/CosmosDBSqlClientEncryptionKeyGet.json
index 6a4c0907eff0..293f767419f7 100644
--- a/specification/cosmos-db/resource-manager/Microsoft.DocumentDB/preview/2021-11-15-preview/examples/CosmosDBSqlClientEncryptionKeyGet.json
+++ b/specification/cosmos-db/resource-manager/Microsoft.DocumentDB/preview/2021-11-15-preview/examples/CosmosDBSqlClientEncryptionKeyGet.json
@@ -21,7 +21,8 @@
             "keyWrapMetadata": {
               "name": "customerManagedKey",
               "type": "AzureKeyVault",
-              "value": "AzureKeyVault Key URL"
+              "value": "AzureKeyVault Key URL",
+              "algorithm": "RSA-OAEP"
             },
             "_rid": "tNc4AAAAAAAQkjzWAgAAAA==",
             "_ts": 1626425552,
diff --git a/specification/cosmos-db/resource-manager/Microsoft.DocumentDB/preview/2021-11-15-preview/examples/CosmosDBSqlClientEncryptionKeysList.json b/specification/cosmos-db/resource-manager/Microsoft.DocumentDB/preview/2021-11-15-preview/examples/CosmosDBSqlClientEncryptionKeysList.json
index 78d8d467923a..ca7691c7d19d 100644
--- a/specification/cosmos-db/resource-manager/Microsoft.DocumentDB/preview/2021-11-15-preview/examples/CosmosDBSqlClientEncryptionKeysList.json
+++ b/specification/cosmos-db/resource-manager/Microsoft.DocumentDB/preview/2021-11-15-preview/examples/CosmosDBSqlClientEncryptionKeysList.json
@@ -22,7 +22,8 @@
                 "keyWrapMetadata": {
                   "name": "customerManagedKey1",
                   "type": "AzureKeyVault",
-                  "value": "AzureKeyVault Key URL for customerManagedKey1"
+                  "value": "AzureKeyVault Key URL for customerManagedKey1",
+                  "algorithm": "RSA-OAEP"
                 },
                 "_rid": "nAMyAAAAAADPw1kKAgAAAA==",
                 "_ts": 1626425552,
@@ -42,7 +43,8 @@
                 "keyWrapMetadata": {
                   "name": "customerManagedKey2",
                   "type": "AzureKeyVault",
-                  "value": "AzureKeyVault Key URL for customerManagedKey2"
+                  "value": "AzureKeyVault Key URL for customerManagedKey2",
+                  "algorithm": "RSA-OAEP"
                 },
                 "_rid": "nAMyAAAAAAAWWfxHAgAAAA==",
                 "_ts": 1626425631,