diff --git a/REL/mention_detection.py b/REL/mention_detection.py
index 4ffa95e..89c184b 100644
--- a/REL/mention_detection.py
+++ b/REL/mention_detection.py
@@ -146,8 +146,8 @@ def find_mentions(self, dataset, tagger=None):
                 ):
                     text, start_pos, end_pos, conf, tag = (
                         entity.text,
-                        entity.start_pos,
-                        entity.end_pos,
+                        entity.start_position,
+                        entity.end_position,
                         entity.score,
                         entity.tag,
                     )
diff --git a/requirements.txt b/requirements.txt
index 6fa0ed4..ac60754 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,8 +1,8 @@
 colorama
 konoha
-flair
+flair>=0.11
 segtok
 Pillow>=7.1.0
 torch
 nltk
-anyascii
\ No newline at end of file
+anyascii