diff --git a/src/aki_prj23_transparenzregister/utils/networkx/networkx_data.py b/src/aki_prj23_transparenzregister/utils/networkx/networkx_data.py
index 165baa2..6b544f9 100644
--- a/src/aki_prj23_transparenzregister/utils/networkx/networkx_data.py
+++ b/src/aki_prj23_transparenzregister/utils/networkx/networkx_data.py
@@ -103,6 +103,10 @@ def get_all_company_relations() -> pd.DataFrame:
     return company_relations
 
 
+@cached(  # type: ignore
+    cache=TTLCache(maxsize=100, ttl=int(os.getenv("PYTHON_CACHE_TTL", "3600"))),
+    key=lambda: None,
+)
 def get_all_person_relations() -> pd.DataFrame:
     """These method makes a Database Request for all Persons and their relations, modifies the ID Column and returns the Result as an DataFrame.