diff --git a/adapter/__init__.py b/adapter/__init__.py
index 9606c9f..3f26094 100644
--- a/adapter/__init__.py
+++ b/adapter/__init__.py
@@ -5,5 +5,5 @@
 
 # build dist backup: drive, Public Code/Adapter
 
-__version__ = "1.6.1"
+__version__ = "1.6.2"
 
diff --git a/adapter/to_python.py b/adapter/to_python.py
index 99da0e5..df4c5bc 100644
--- a/adapter/to_python.py
+++ b/adapter/to_python.py
@@ -74,7 +74,7 @@ def load(self, data_object_names=None, kind="all"):
                 values
         """
         # check if any name in data_object_names not in excel file
-        all_input_ranges = {object_range.name for object_range in self.wb.defined_names.definedName}
+        all_input_ranges = {obj_name for obj_name in self.wb.defined_names}
         all_input_tables = {object_table for ws in self.wb.worksheets for object_table in ws.tables.keys()}
         all_input_objects = all_input_ranges | all_input_tables
 
diff --git a/setup.py b/setup.py
index d99d353..e6ece9d 100644
--- a/setup.py
+++ b/setup.py
@@ -46,6 +46,6 @@ def get_version(rel_path):
         "xlwings>=0.19.4",
         "psycopg2-binary>=2.8.6",
         "SQLAlchemy==1.4.29",
-        "openpyxl==3.0.9",
+        "openpyxl>=3.1.0",
     ],
 )