diff --git a/docker/Dockerfile b/docker/Dockerfile
index 3d205726..07c0a89e 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -2,7 +2,7 @@ FROM continuumio/anaconda3:latest
 FROM tensorflow/tensorflow:latest-gpu-py3
 
 RUN apt-get update
-RUN apt-get install -y libasound-dev portaudio19-dev libportaudio2 libportaudiocpp0 ffmpeg libav-tools wget git vim
+RUN apt-get install -y libasound-dev portaudio19-dev libportaudio2 libportaudiocpp0 ffmpeg wget git vim
 
 RUN wget http://data.keithito.com/data/speech/LJSpeech-1.1.tar.bz2
 RUN tar -jxvf LJSpeech-1.1.tar.bz2
@@ -11,4 +11,5 @@ RUN git clone https://github.com/Rayhane-mamah/Tacotron-2.git
 
 WORKDIR Tacotron-2
 RUN ln -s ../LJSpeech-1.1 .
-RUN pip install -r requirements.txt
\ No newline at end of file
+RUN pip install --upgrade pip
+RUN pip install -r requirements.txt