diff --git a/Dockerfile b/Dockerfile
index 9a288d9..d54f48b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -30,7 +30,7 @@ RUN apt update && apt install -y python3 python3-pip
 
 RUN pip3 config set global.index-url https://pypi.tuna.tsinghua.edu.cn/simple
 
-RUN pip3 install wave scipy matplotlib tensorflow-cpu==2.5.2 numpy==1.19.2 requests flask waitress
+RUN pip3 install wave scipy matplotlib tensorflow-cpu==2.5.3 numpy==1.19.2 requests flask waitress
 
 RUN echo $'cd /asrt_server \n python3 asrserver_http.py' > /asrt_server/start.sh && chmod +x /asrt_server/start.sh
 
@@ -40,6 +40,6 @@ EXPOSE 20001/tcp
 ENTRYPOINT ["/bin/bash", "/asrt_server/start.sh"]
 
 # https://docs.docker.com/engine/reference/commandline/build/#options
-# docker build --progress plain --rm --build-arg TAG=1.1.1 --tag asrt/api_server:1.1.1 .
+# docker build --progress plain --rm --build-arg TAG=1.1.2 --tag asrt/api_server:1.1.2 .
 # https://docs.docker.com/engine/reference/commandline/run/#options
-# docker run --rm -it  -p 20001:20001 --name asrt -d asrt/api_server:1.1.1
+# docker run --rm -it  -p 20001:20001 --name asrt -d asrt/api_server:1.1.2