diff --git a/api/services/app_dsl_service.py b/api/services/app_dsl_service.py
index 528a0dbcd39d9e..b6d6d05e589e92 100644
--- a/api/services/app_dsl_service.py
+++ b/api/services/app_dsl_service.py
@@ -176,6 +176,9 @@ def import_app(
                 data["kind"] = "app"
 
             imported_version = data.get("version", "0.1.0")
+            # check if imported_version is a float-like string
+            if not isinstance(imported_version, str):
+                raise ValueError(f"Invalid version type, expected str, got {type(imported_version)}")
             status = _check_version_compatibility(imported_version)
 
             # Extract app data