diff --git a/.github/workflows/codecov.yml b/.github/workflows/codecov.yml
index 88b392d4..2dfe99d4 100644
--- a/.github/workflows/codecov.yml
+++ b/.github/workflows/codecov.yml
@@ -1,11 +1,16 @@
 name: codecov
 
-on: [push]
+on: [pull_request]
 
 defaults:
   run:
     shell: bash
 
+# cancel previous runs if new commits are pushed to the PR, but run for each commit on master
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
 jobs:
   build_deps:
     name: Build dependencies
@@ -19,7 +24,7 @@ jobs:
         run: |
           echo "CACHE_ROOT=$HOME/cache-root" >> $GITHUB_ENV
 
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
         with: 
           ref: ${{ github.ref }}
 
@@ -45,6 +50,9 @@ jobs:
         if: steps.cache-deps.outputs.cache-hit != 'true'
         run: |
           sudo apt-get --yes update
+          # https://github.com/actions/runner-images/issues/2139
+          sudo apt-get remove nginx-core nginx-full nginx-light nginx-extras
+          sudo apt-get remove libgd3
           sudo apt-get install --yes libsodium23 libsodium-dev build-essential zlib1g-dev libpcre3 libpcre3-dev libssl-dev libxslt1-dev libxml2-dev libgeoip-dev libgd-dev libperl-dev libcurl4-openssl-dev
 
       - name: Download and install ModSecurity
@@ -83,7 +91,7 @@ jobs:
           python-version: '3.x'
           architecture: 'x64'
 
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
         with: 
           ref: ${{ github.ref }}
 
@@ -111,6 +119,9 @@ jobs:
       - name: Install dependencies
         run: |
           sudo apt-get --yes update
+          # https://github.com/actions/runner-images/issues/2139
+          sudo apt-get remove nginx-core nginx-full nginx-light nginx-extras
+          sudo apt-get remove libgd3
           sudo apt-get install --yes libsodium23 libsodium-dev build-essential zlib1g-dev libpcre3 libpcre3-dev libssl-dev libxslt1-dev libxml2-dev libgeoip-dev libgd-dev libperl-dev libcurl4-openssl-dev gcovr
       
       - name: Download nginx
diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 2be753d8..cc3338fe 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -25,13 +25,13 @@ jobs:
       matrix:
         target: ['glibc', 'musl']
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
         with: 
           ref: ${{ github.ref }}
       - name: Set up QEMU
-        uses: docker/setup-qemu-action@v1
+        uses: docker/setup-qemu-action@v3
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1
+        uses: docker/setup-buildx-action@v3
       - name: Login to DockerHub
         uses: docker/login-action@v1
         with:
@@ -67,13 +67,13 @@ jobs:
       matrix:
         target: ['glibc', 'musl']
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
         with: 
           ref: ${{ github.ref }}
       - name: Set up QEMU
-        uses: docker/setup-qemu-action@v1
+        uses: docker/setup-qemu-action@v3
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1
+        uses: docker/setup-buildx-action@v3
       - name: Login to DockerHub
         uses: docker/login-action@v1
         with:
@@ -109,13 +109,13 @@ jobs:
       matrix:
         target: ['glibc', 'musl']
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
         with: 
           ref: ${{ github.ref }}
       - name: Set up QEMU
-        uses: docker/setup-qemu-action@v1
+        uses: docker/setup-qemu-action@v3
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1
+        uses: docker/setup-buildx-action@v3
       - name: Login to DockerHub
         uses: docker/login-action@v1
         with:
@@ -151,13 +151,13 @@ jobs:
       matrix:
         target: ['glibc', 'musl']
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
         with: 
           ref: ${{ github.ref }}
       - name: Set up QEMU
-        uses: docker/setup-qemu-action@v1
+        uses: docker/setup-qemu-action@v3
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1
+        uses: docker/setup-buildx-action@v3
       - name: Login to DockerHub
         uses: docker/login-action@v1
         with:
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 14f0c959..2a4da7fe 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -1,8 +1,6 @@
 name: test
 
-on: 
-  push:
-    branches:
+on:
   pull_request:
   schedule:
     - cron: '0 0 * * SUN'
@@ -13,6 +11,11 @@ defaults:
   run:
     shell: bash
 
+# cancel previous runs if new commits are pushed to the PR, but run for each commit on master
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
 jobs:
   self-trigger:
     runs-on: ubuntu-latest
@@ -43,7 +46,7 @@ jobs:
         run: |
           echo "CACHE_ROOT=$HOME/cache-root" >> $GITHUB_ENV
 
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
         with: 
           ref: ${{ github.ref }}
 
@@ -69,6 +72,9 @@ jobs:
         if: steps.cache-deps.outputs.cache-hit != 'true'
         run: |
           sudo apt-get --yes update
+          # https://github.com/actions/runner-images/issues/2139
+          sudo apt-get remove nginx-core nginx-full nginx-light nginx-extras
+          sudo apt-get remove libgd3
           sudo apt-get install --yes libsodium23 libsodium-dev build-essential zlib1g-dev libpcre3 libpcre3-dev libssl-dev libxslt1-dev libxml2-dev libgeoip-dev libgd-dev libperl-dev libcurl4-openssl-dev
 
       - name: Download and install ModSecurity
@@ -115,7 +121,7 @@ jobs:
           python-version: '3.x'
           architecture: 'x64'
 
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
         with: 
           ref: ${{ github.ref }}
 
@@ -143,6 +149,9 @@ jobs:
       - name: Install dependencies
         run: |
           sudo apt-get --yes update
+          # https://github.com/actions/runner-images/issues/2139
+          sudo apt-get remove nginx-core nginx-full nginx-light nginx-extras
+          sudo apt-get remove libgd3
           sudo apt-get install --yes libsodium23 libsodium-dev build-essential zlib1g-dev libpcre3 libpcre3-dev libssl-dev libxslt1-dev libxml2-dev libgeoip-dev libgd-dev libperl-dev libcurl4-openssl-dev
 
       - name: Download nginx-${{ matrix.nginx-version }}
@@ -222,13 +231,13 @@ jobs:
         version: ['stable', 'mainline']
         target: ['glibc', 'musl']
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
         with: 
           ref: ${{ github.ref }}
       - name: Set up QEMU
-        uses: docker/setup-qemu-action@v1
+        uses: docker/setup-qemu-action@v3
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1
+        uses: docker/setup-buildx-action@v3
       - name: Build module
         run: docker build --file docker/Dockerfile.${{ matrix.target }} --build-arg=NGX_VER=${{ matrix.version }} .
   triger:
@@ -236,7 +245,7 @@ jobs:
     if: ${{ github.event_name == 'workflow_dispatch' || (github.event_name == 'push' && (github.ref == 'refs/heads/lts' || github.ref == 'refs/heads/current')) }}
     needs: ['native', 'docker']
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
         with: 
           ref: ${{ github.ref }}
       - uses: actions/setup-python@v2
diff --git a/docker/Dockerfile.glibc b/docker/Dockerfile.glibc
index 9a16fc13..5d49b744 100644
--- a/docker/Dockerfile.glibc
+++ b/docker/Dockerfile.glibc
@@ -1,6 +1,6 @@
 ARG NGX_VER=stable
 FROM nginx:${NGX_VER} as base
-ARG CHANGE_SOURCE=false
+ARG CN_MIRROR=false
 ARG NGX_VER=stable
 ARG LIB_SODIUM_VER=1.0.18-RELEASE
 
@@ -9,7 +9,7 @@ COPY . ./ngx_waf
 
 SHELL ["/bin/bash", "-o", "pipefail", "-c"]
 RUN set -xe \ 
-    &&  if [ ${CHANGE_SOURCE} == true ] ; then \
+    &&  if [ ${CN_MIRROR} == true ] ; then \
             cp ./ngx_waf/docker/sources.list /etc/apt/sources.list ; \
             apt-get clean all ; \
         fi \
@@ -30,7 +30,7 @@ RUN set -xe \
             libgd-dev \ 
             libperl-dev \
             libcurl4-openssl-dev \
-            python3 \
+            python3-full \
             python3-pip \
             libtool \
             autoconf \
@@ -41,10 +41,10 @@ RUN set -xe \
             libmodsecurity3 \
             flex \
             bison \
-    &&  if [ ${CHANGE_SOURCE} == true ] ; then \
-            pip3 config set global.index-url https://mirrors.cloud.tencent.com/pypi/simple ; \
+    &&  if [ ${CN_MIRROR} == true ] ; then \
+            pip config set global.index-url https://mirrors.cloud.tencent.com/pypi/simple ; \
         fi \
-    &&  pip3 install lastversion
+    &&  pip3 install lastversion || pip3 install lastversion --break-system-packages
 
 RUN set -xe \
     &&  git clone -b v1.7.15 https://github.com/DaveGamble/cJSON.git ngx_waf/lib/cjson
diff --git a/docker/Dockerfile.musl b/docker/Dockerfile.musl
index 4ec0f405..cf19bcc7 100644
--- a/docker/Dockerfile.musl
+++ b/docker/Dockerfile.musl
@@ -4,7 +4,7 @@ FROM owasp/modsecurity:3.0.5-alpine AS modsecurity
 
 ARG NGX_VER=stable
 FROM nginx:${NGX_VER}-alpine as base
-ARG CHANGE_SOURCE=false
+ARG CN_MIRROR=false
 ARG NGX_VER=stable
 ARG LIB_SODIUM_VER=1.0.18-RELEASE
 ARG MODSEC_VERSION=v3.0.5
@@ -17,7 +17,7 @@ COPY --from=modsecurity /usr/local/modsecurity/ /usr/local/modsecurity/
 
 SHELL ["/bin/sh", "-o", "pipefail", "-c"]
 RUN set -xe \
-    &&  if [ ${CHANGE_SOURCE} = true ]; then \
+    &&  if [ ${CN_MIRROR} = true ]; then \
             sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/' /etc/apk/repositories ; \
             fi \
     &&  apk update \
@@ -46,10 +46,10 @@ RUN set -xe \
             libmaxminddb \
             flex \
             bison \
-    &&  if [ ${CHANGE_SOURCE} = true ]; then \
+    &&  if [ ${CN_MIRROR} = true ]; then \
             pip3 config set global.index-url https://mirrors.cloud.tencent.com/pypi/simple ; \
         fi \
-    &&  pip3 install lastversion
+    &&  pip3 install lastversion || pip3 install lastversion --break-system-packages
 
 RUN set -xe \
     &&  git clone https://github.com/DaveGamble/cJSON.git --branch ${CJSON_VERSION}  ngx_waf/lib/cjson