diff --git a/schemas/2018-06-01-preview/Microsoft.DBforMariaDB.json b/schemas/2018-06-01-preview/Microsoft.DBforMariaDB.json
index dcc18c6734..e87ba05131 100644
--- a/schemas/2018-06-01-preview/Microsoft.DBforMariaDB.json
+++ b/schemas/2018-06-01-preview/Microsoft.DBforMariaDB.json
@@ -462,6 +462,23 @@
         }
       ],
       "properties": {
+        "minimalTlsVersion": {
+          "oneOf": [
+            {
+              "type": "string",
+              "enum": [
+                "TLS1_0",
+                "TLS1_1",
+                "TLS1_2",
+                "TLSEnforcementDisabled"
+              ]
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "Enforce a minimal Tls version for the server."
+        },
         "sslEnforcement": {
           "oneOf": [
             {
diff --git a/schemas/2018-06-01/Microsoft.DBforMariaDB.json b/schemas/2018-06-01/Microsoft.DBforMariaDB.json
index a71b5fd9da..9b7dc40e74 100644
--- a/schemas/2018-06-01/Microsoft.DBforMariaDB.json
+++ b/schemas/2018-06-01/Microsoft.DBforMariaDB.json
@@ -556,6 +556,23 @@
         }
       ],
       "properties": {
+        "minimalTlsVersion": {
+          "oneOf": [
+            {
+              "type": "string",
+              "enum": [
+                "TLS1_0",
+                "TLS1_1",
+                "TLS1_2",
+                "TLSEnforcementDisabled"
+              ]
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "Enforce a minimal Tls version for the server."
+        },
         "publicNetworkAccess": {
           "oneOf": [
             {