diff --git a/Realtime_Voice_Changer_on_Colab.ipynb b/Realtime_Voice_Changer_on_Colab.ipynb
index d998459c..1684258a 100644
--- a/Realtime_Voice_Changer_on_Colab.ipynb
+++ b/Realtime_Voice_Changer_on_Colab.ipynb
@@ -91,6 +91,7 @@
         "print(\"\\033[92mSuccessfully cloned the repository\")\n",
         "\n",
         "!apt-get install libportaudio2 &> /dev/null\n",
+	"!pip install pyworld\n",
         "!pip install onnxruntime-gpu uvicorn faiss-gpu fairseq jedi google-colab moviepy decorator==4.4.2 sounddevice numpy==1.23.5 pyngrok --quiet\n",
         "!pip install -r requirements.txt --no-build-isolation --quiet\n",
         "# Maybe install Tensor packages?\n",
diff --git a/server/requirements.txt b/server/requirements.txt
index 7b46b4e4..4a5e79e7 100644
--- a/server/requirements.txt
+++ b/server/requirements.txt
@@ -13,10 +13,8 @@ python-socketio==5.8.0
 fastapi==0.95.1
 python-multipart==0.0.6
 onnxruntime-gpu==1.13.1
-pyworld==0.3.3
 scipy==1.10.1
 matplotlib==3.7.1
-fairseq==0.12.2
 websockets==11.0.2
 faiss-cpu==1.7.3
 torchcrepe==0.0.18