update requirements

installer.py

@@ -404,10 +404,7 @@ def check_python():
 def check_diffusers():
     if args.experimental or args.skip_git:
         return
-    if args.use_zluda:
-        install('diffusers', 'diffusers==0.27.2')
-    else:
-        install('diffusers', 'diffusers==0.28.0')
+    # noop for now, can be used to force specific version based on conditions
 
 
 # check onnx version

requirements.txt

@@ -34,10 +34,10 @@ pymatting
 orjson
 invisible-watermark
 pi-heif
-diffusers
+diffusers==0.28.0
 safetensors==0.4.3
 tensordict==0.1.2
-peft==0.11.1
+peft==0.10.0
 httpx==0.24.1
 compel==2.0.2
 torchsde==0.2.6