diff --git a/src/msyrs.pyi b/src/msyrs.pyi
index f7ac740..f84036e 100644
--- a/src/msyrs.pyi
+++ b/src/msyrs.pyi
@@ -44,4 +44,6 @@ class panel:
 
     @staticmethod
     def get_period_indices_hv(*args, **kwargs) -> Series: ...
-   
\ No newline at end of file
+
+    @staticmethod
+    def linear_composite(*args, **kwargs) -> DataFrame: ...
\ No newline at end of file