diff --git a/mikazuki/launch_utils.py b/mikazuki/launch_utils.py
index 282db7a..c93f717 100644
--- a/mikazuki/launch_utils.py
+++ b/mikazuki/launch_utils.py
@@ -202,7 +202,7 @@ def setup_windows_bitsandbytes():
         return
 
     # bnb_windows_index = os.environ.get("BNB_WINDOWS_INDEX", "https://jihulab.com/api/v4/projects/140618/packages/pypi/simple")
-    bnb_package = "bitsandbytes==0.45.3"
+    bnb_package = "bitsandbytes==0.46.0"
     bnb_path = os.path.join(sysconfig.get_paths()["purelib"], "bitsandbytes")
 
     installed_bnb = is_installed("bitsandbytes") # don't check version here
diff --git a/requirements.txt b/requirements.txt
index 66cd149..cce89ed 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ ftfy==6.1.1
 opencv-python==4.8.1.78
 einops==0.7.0
 pytorch-lightning==1.9.0
-bitsandbytes==0.45.3
+bitsandbytes==0.46.0
 lion-pytorch==0.1.2
 schedulefree==1.4
 pytorch-optimizer==3.5.0