diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 36e6f96..ece2b2b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,33 +12,29 @@ jobs:
   build:
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           submodules: true
-      - uses: docker/setup-qemu-action@v1
-      - uses: docker/setup-buildx-action@v1
-      - uses: actions/cache@v2
+      - uses: docker/setup-qemu-action@v2
+      - uses: docker/setup-buildx-action@v2
+      - uses: actions/cache@v3
         with:
           path: /tmp/.buildx-cache
           key: ${{ runner.os }}-buildx-${{ github.sha }}
           restore-keys: ${{ runner.os }}-buildx-
-      - uses: crazy-max/ghaction-docker-meta@v1
+      - uses: docker/metadata-action@v4
         id: docker_meta
         with:
           images: |
-            rtainjapan/nginx-rtmp
             ghcr.io/rtainjapan/nginx-rtmp
-          tag-sha: true
-      - uses: docker/login-action@v1
-        with:
-          username: hoishin
-          password: ${{ secrets.DOCKERHUB_TOKEN }}
-      - uses: docker/login-action@v1
+          tags: |
+            type=sha
+      - uses: docker/login-action@v2
         with:
           registry: ghcr.io
-          username: hoishin
-          password: ${{ secrets.CR_TOKEN }}
-      - uses: docker/build-push-action@v2
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - uses: docker/build-push-action@v4
         with:
           platforms: linux/amd64,linux/arm64
           push: ${{ github.event_name == 'push' }}
diff --git a/Dockerfile b/Dockerfile
index 066cff1..ff05ad0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,6 @@
-FROM alpine:3.12 AS build
+FROM alpine:3.16 AS build
 
-ENV NGINX_VERSION 1.19.6
-ENV NGINX_RTMP_VERSION 1.2.1
+ENV NGINX_VERSION 1.23.1
 
 WORKDIR /
 
@@ -20,7 +19,7 @@ RUN make
 RUN make install
 
 
-FROM alpine:3.12
+FROM alpine:3.16
 
 RUN apk add --no-cache pcre openssl zlib
 
diff --git a/nginx-rtmp-module b/nginx-rtmp-module
index afd350e..23e1873 160000
--- a/nginx-rtmp-module
+++ b/nginx-rtmp-module
@@ -1 +1 @@
-Subproject commit afd350e0d8b7820d7d2cfc3fa748217153265ce6
+Subproject commit 23e1873aa62acb58b7881eed2a501f5bf35b82e9