diff --git a/appimage/Dockerfile b/appimage/Dockerfile
index 2e7d8c0..3f0cbd2 100644
--- a/appimage/Dockerfile
+++ b/appimage/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:14.04
+FROM ubuntu:16.04
 
 RUN apt-get update; apt-get upgrade -y
 RUN apt-get install -y autoconf \
@@ -6,10 +6,12 @@ RUN apt-get install -y autoconf \
                        fuse \
                        gettext \
                        libboost-all-dev \
+                       libevent-dev \
                        libminiupnpc-dev \
                        libssl-dev \
                        libtool \
                        pkg-config \
+                       protobuf-compiler \
                        qtbase5-dev \
                        qttools5-dev-tools
 
diff --git a/appimage/README.md b/appimage/README.md
index 972bb6e..3cf6d0c 100644
--- a/appimage/README.md
+++ b/appimage/README.md
@@ -11,7 +11,7 @@ make
 
 For a tag:
 ```
-make TAG=v0.7.1ppc
+make TAG=v0.8.3ppc
 ```
 
 `Peercoin-x86_64.AppImage` is deposited in the `/build` directory.