diff --git a/src/codegen/sdk/core/codebase.py b/src/codegen/sdk/core/codebase.py
index 8aec1dc65..a1dd9662d 100644
--- a/src/codegen/sdk/core/codebase.py
+++ b/src/codegen/sdk/core/codebase.py
@@ -129,7 +129,7 @@ def __init__(
         self,
         repo_path: str,
         *,
-        programming_language: ProgrammingLanguage,
+        programming_language: ProgrammingLanguage | None = None,
         projects: None = None,
         config: CodebaseConfig = DefaultConfig,
     ) -> None: ...