diff --git a/piperider_cli/profiler/schema.json b/piperider_cli/profiler/schema.json
index 3eb5f7871..e5724066e 100644
--- a/piperider_cli/profiler/schema.json
+++ b/piperider_cli/profiler/schema.json
@@ -384,7 +384,14 @@
           "type": "string"
         },
         "git_branch": {
-          "type": "string"
+          "oneOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ]
         },
         "git_sha": {
           "type": "string"