diff --git a/requirements.txt b/requirements.txt
index 624978b4..ce1ebd8f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ einops==0.7.0
 bitsandbytes
 lion-pytorch==0.2.3
 schedulefree==1.4
-pytorch-optimizer==3.7.0
+pytorch-optimizer==3.9.0
 prodigy-plus-schedule-free==1.9.2
 prodigyopt==1.1.2
 tensorboard