diff --git a/meilisearch_python_sdk/index.py b/meilisearch_python_sdk/index.py
index c7e56259..625c6ed5 100644
--- a/meilisearch_python_sdk/index.py
+++ b/meilisearch_python_sdk/index.py
@@ -1224,6 +1224,7 @@ async def facet_search(
     async def search_similar_documents(
         self,
         id: str,
+        *,
         offset: int | None = None,
         limit: int | None = None,
         filter: str | None = None,
@@ -5290,6 +5291,7 @@ def facet_search(
     def search_similar_documents(
         self,
         id: str,
+        *,
         offset: int | None = None,
         limit: int | None = None,
         filter: str | None = None,