diff --git a/python/pyproject_other.toml b/python/pyproject_other.toml
index 395c7450e..4348f673d 100755
--- a/python/pyproject_other.toml
+++ b/python/pyproject_other.toml
@@ -98,6 +98,7 @@ srt_hip = [
 
 diffusion_hip = [
   "sglang[diffusion_common]",
+  "peft>=0.18.0",
   "st_attn==0.0.7",
   "vsa==0.0.4",
   "runai_model_streamer>=0.15.5",