diff --git a/pyiceberg/catalog/__init__.py b/pyiceberg/catalog/__init__.py
index f5050d26b4..b189b4094d 100644
--- a/pyiceberg/catalog/__init__.py
+++ b/pyiceberg/catalog/__init__.py
@@ -781,6 +781,13 @@ class MetastoreCatalog(Catalog, ABC):
     def __init__(self, name: str, **properties: str):
         super().__init__(name, **properties)
 
+        if self.properties.get(DEPRECATED_BOTOCORE_SESSION):
+            deprecation_message(
+                deprecated_in="0.8.0",
+                removed_in="0.9.0",
+                help_message=f"The property {DEPRECATED_BOTOCORE_SESSION} is deprecated and will be removed.",
+            )
+
     def create_table_transaction(
         self,
         identifier: Union[str, Identifier],