diff --git a/deployment_manifest_schema.json b/deployment_manifest_schema.json
index ae6e57b..ae28d1f 100644
--- a/deployment_manifest_schema.json
+++ b/deployment_manifest_schema.json
@@ -25,7 +25,7 @@
         "properties": {
           "fullyQualifiedComponentName": {
             "type": "string",
-            "pattern": "^[a-zA-Z]+[a-zA-Z0-9._-]*$"
+            "pattern": "^([a-zA-Z]+|_[a-zA-Z0-9]+)[a-zA-Z0-9._-]*$"
           },
           "componentType": {
             "title": "ComponentType",
@@ -39,7 +39,7 @@
               "properties": {
                 "name": {
                   "type": "string",
-                  "pattern": "^[a-zA-Z]+[a-zA-Z0-9_-]*$"
+                  "pattern": "^([a-zA-Z]+|_[a-zA-Z0-9]+)[a-zA-Z0-9._-]*$"
                 },
                 "inputSchema": {},
                 "outputSchema": {}