diff --git a/.travis.yml b/.travis.yml
index 7888a1aa..e7afca95 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,6 +5,6 @@ services:
   - docker
  
 before_install:
-  - docker build -t registry.heroku.com/"$HEROKU_APPNAME"/web .
+  - docker build -t registry.heroku.com/"$HEROKU_APPNAME"/web
   - docker login -u "$HEROKU_EMAIL" -p "$HEROKU_APIKEY" registry.heroku.com
   - docker push registry.heroku.com/"$HEROKU_APPNAME"/web
diff --git a/Dockerfile b/Dockerfile
index cfeb079a..b182e2d5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 FROM alpine:latest
 
-ENV CONFIG_JSON1=none CONFIG_JSON2=none UUID=91cb66ba-a373-43a0-8169-33d4eeaeb857 CONFIG_JSON3=none CERT_PEM=none KEY_PEM=none VER=3.8
+ENV CONFIG_JSON1=none CONFIG_JSON2=none UUID=84537d48-bb73-4fa4-ade5-15a5b68e8be7 CONFIG_JSON3=none CERT_PEM=none KEY_PEM=none VER=4.4
 
 RUN apk add --no-cache --virtual .build-deps ca-certificates curl \
  && mkdir -m 777 /v2raybin \ 
diff --git a/README.md b/README.md
index c14c7d1a..7e51023c 100644
--- a/README.md
+++ b/README.md
@@ -20,3 +20,5 @@
    - Travis-CI https://docs.travis-ci.com/user/docker
 
 ## 建议使用heroku.yml部署  https://github.com/wangyi2005/v2ray-heroku
+
+更新V2RAY内核为4.4