diff --git a/s3path/accessor.py b/s3path/accessor.py
index 9ac9747..d96dbf8 100644
--- a/s3path/accessor.py
+++ b/s3path/accessor.py
@@ -546,7 +546,7 @@ def __repr__(self):
 
     @property
     def default_resource(self):
-        return boto3.resource('s3')
+        return boto3.Session().resource('s3')
 
     def set_configuration(self, path, *, resource=None, arguments=None, glob_new_algorithm=None):
         self._delayed_setup()