diff --git a/README.md b/README.md
index 5c09ebd..30fff4e 100644
--- a/README.md
+++ b/README.md
@@ -61,6 +61,14 @@ venv\Scripts\activate
 python app.py
 ```
 
+## Update
+
+```bash
+git pull
+venv\Scripts\activate
+pip install -r requirements.txt --upgrade
+```
+
 ## Troubleshooting
 
 ```
diff --git a/app.py b/app.py
index c711387..d7add9a 100644
--- a/app.py
+++ b/app.py
@@ -42,11 +42,6 @@ models = [
 if len(models) == 0:
     raise ValueError("No model found in `weights` folder")
 models.sort()
-hubert_model = None
-
-print("Loading rmvpe model...")
-rmvpe_model = RMVPE("rmvpe.pt", config.is_half, config.device)
-print("rmvpe model loaded.")
 
 
 def model_data(model_name):
@@ -115,7 +110,16 @@ def load_hubert():
         hubert_model = hubert_model.half()
     else:
         hubert_model = hubert_model.float()
-    hubert_model.eval()
+    return hubert_model.eval()
+
+
+print("Loading hubert model...")
+hubert_model = load_hubert()
+print("Hubert model loaded.")
+
+print("Loading rmvpe model...")
+rmvpe_model = RMVPE("rmvpe.pt", config.is_half, config.device)
+print("rmvpe model loaded.")
 
 
 def tts(
diff --git a/requirements.txt b/requirements.txt
index 2ac9e88..3bba8c2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,10 +1,9 @@
 edge_tts==6.1.7
 fairseq==0.12.2
 faiss_cpu==1.7.4
-gradio==3.36.1
-gradio_client==0.2.9
+gradio==3.38.0
 librosa==0.9.1
 numpy==1.23.5
 praat-parselmouth==0.4.3
-pyworld==0.3.3
+pyworld==0.3.4
 torchcrepe==0.0.20