diff --git a/faster_coco_eval/version.py b/faster_coco_eval/version.py
index 65fffdf..f2d9dfb 100644
--- a/faster_coco_eval/version.py
+++ b/faster_coco_eval/version.py
@@ -1,2 +1,2 @@
-__version__ = "1.6.4"
+__version__ = "1.6.5rc1"
 __author__ = "MiXaiLL76"