diff --git a/14-3/Dockerfile b/14-3/Dockerfile
new file mode 100644
index 0000000..a405f35
--- /dev/null
+++ b/14-3/Dockerfile
@@ -0,0 +1,41 @@
+FROM postgres:14rc1
+
+MAINTAINER Chia-liang Kao <clkao@clkao.org>
+
+ENV PLV8_VERSION=3.0.0 \
+    PLV8_SHASUM="de030f5d6b0439710efa05f4c35ffb8ef36ae754fa0e3c46d334352cf1507661"
+
+RUN buildDependencies="build-essential \
+    ca-certificates \
+    curl \
+    git-core \
+    python \
+    gpp \
+    cpp \
+    pkg-config \
+    apt-transport-https \
+    cmake \
+    libc++-dev \
+    wget \
+    ninja-build \
+    libtinfo5 \
+    libglib2.0-dev \
+    libc++abi-dev \
+    postgresql-server-dev-$PG_MAJOR" \
+  && runtimeDependencies="libc++1" \
+  && apt-get update \
+  && apt-get install -y --no-install-recommends ${buildDependencies} ${runtimeDependencies} \
+  && mkdir -p /tmp/build \
+  && curl -o /tmp/build/v$PLV8_VERSION.tar.gz -SL "https://github.com/plv8/plv8/archive/v${PLV8_VERSION}.tar.gz" \
+  && cd /tmp/build \
+  && echo $PLV8_SHASUM v$PLV8_VERSION.tar.gz | sha256sum -c \
+  && tar -xzf /tmp/build/v$PLV8_VERSION.tar.gz -C /tmp/build/ \
+  && cd /tmp/build/plv8-$PLV8_VERSION \
+  && make \
+  && make install \
+  && strip /usr/lib/postgresql/${PG_MAJOR}/lib/plv8-${PLV8_VERSION}.so \
+  && rm -rf /root/.vpython_cipd_cache /root/.vpython-root \
+  && apt-get clean \
+  && apt-get remove -y ${buildDependencies} \
+  && apt-get autoremove -y \
+  && rm -rf /tmp/build /var/lib/apt/lists/*
diff --git a/README.md b/README.md
index 74fd32a..920a2eb 100644
--- a/README.md
+++ b/README.md
@@ -1,11 +1,12 @@
 # postgres-plv8
 
-Docker images for running [plv8](https://github.com/plv8/plv8) 1.4, 1.5 and 2.x on Postgres 9.4, 9.5, 9.6, 10, 11 and 12. Based on the [official Postgres image](http://registry.hub.docker.com/_/postgres/).
+Docker images for running [plv8](https://github.com/plv8/plv8) 1.4, 1.5, 2.x and 3.x on Postgres 9.4, 9.5, 9.6, 10, 11, 12 and 14(rc). Based on the [official Postgres image](http://registry.hub.docker.com/_/postgres/).
 
 [![clkao/postgres-plv8][docker-pulls-image]][docker-hub-url] [![clkao/postgres-plv8][docker-stars-image]][docker-hub-url] [![clkao/postgres-plv8][docker-size-image]][docker-hub-url] [![clkao/postgres-plv8][docker-layers-image]][docker-hub-url]
 
 ## Tags
 
+- `14-3`, `latest` ([12-2/Dockerfile](https://github.com/clkao/docker-postgres-plv8/blob/master/14-3/Dockerfile))
 - `12-2`, `latest` ([12-2/Dockerfile](https://github.com/clkao/docker-postgres-plv8/blob/master/12-2/Dockerfile))
 - `11-2` ([11-2/Dockerfile](https://github.com/clkao/docker-postgres-plv8/blob/master/11-2/Dockerfile))
 - `10-2` ([10-2/Dockerfile](https://github.com/clkao/docker-postgres-plv8/blob/master/10-2/Dockerfile))