diff --git a/src/aki_prj23_transparenzregister/utils/data_extraction/bundesanzeiger.py b/src/aki_prj23_transparenzregister/utils/data_extraction/bundesanzeiger.py
index b0e22c4..06c6287 100644
--- a/src/aki_prj23_transparenzregister/utils/data_extraction/bundesanzeiger.py
+++ b/src/aki_prj23_transparenzregister/utils/data_extraction/bundesanzeiger.py
@@ -216,7 +216,7 @@ class Bundesanzeiger:
         return result
 
     # ruff: noqa: PLR0912
-    def parse_tables_to_kpis(self, report: str) -> dict:
+    def parse_tables_to_kpis(self, report: str) -> dict[str, float]:
         """Extract KPIs from tables included in a report.
 
         Args: