diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..28bc477
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,98 @@
+name: CI
+
+on:
+  push:
+    branches: [master]
+  pull_request:
+    branches: [master]
+
+permissions:
+  contents: read
+
+jobs:
+  test:
+    name: nginx 1.31.4
+    runs-on: ubuntu-22.04
+    timeout-minutes: 45
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@d23441a48e516b6c34aea4fa41551a30e30af803 # v6.1.0
+
+      - name: Install system dependencies
+        run: |
+          sudo apt-get update
+          sudo DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
+            build-essential \
+            ca-certificates \
+            cpanminus \
+            git \
+            libevent-dev \
+            libssl-dev \
+            memcached \
+            net-tools \
+            pkg-config \
+            psmisc \
+            time \
+            wget
+          sudo systemctl stop memcached
+
+      - name: Build and test
+        env:
+          CC: gcc
+          NGINX_VERSION: 1.31.4
+        run: |
+          set -e
+          mkdir -p download-cache
+          export JOBS=3
+          export NGX_BUILD_JOBS=$JOBS
+          export LUAJIT_PREFIX=/opt/luajit21
+          export LUAJIT_LIB=$LUAJIT_PREFIX/lib
+          export LUAJIT_INC=$LUAJIT_PREFIX/include/luajit-2.1
+          export LUA_INCLUDE_DIR=$LUAJIT_INC
+          export LUA_CMODULE_DIR=/lib
+          export OPENSSL_PREFIX=/usr/local/openresty/openssl3
+          export OPENSSL_LIB=$OPENSSL_PREFIX/lib
+          export OPENSSL_INC=$OPENSSL_PREFIX/include
+          export PCRE_PREFIX=/usr/local/openresty/pcre2
+          export PCRE_LIB=$PCRE_PREFIX/lib
+          export PCRE_INC=$PCRE_PREFIX/include
+          export LD_LIBRARY_PATH=$LUAJIT_LIB:$LD_LIBRARY_PATH
+          export TEST_NGINX_SLEEP=0.006
+          export MEMCACHED_VERSION=1.6.10
+          wget -O - https://openresty.org/package/pubkey.gpg | sudo apt-key add -
+          echo "deb http://openresty.org/package/ubuntu $(lsb_release -sc) main" | sudo tee /etc/apt/sources.list.d/openresty.list
+          sudo apt-get update
+          sudo DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends openresty-pcre2 openresty-openssl3 openresty-pcre2-dev openresty-openssl3-dev
+          if [ ! -d download-cache ]; then mkdir download-cache; fi
+          wget https://memcached.org/files/memcached-${MEMCACHED_VERSION}.tar.gz
+          sudo apt-get install -qq -y axel
+          cpanm --sudo --notest Test::Nginx IPC::Run Test2::Util > build.log 2>&1 || (cat build.log && exit 1)
+          wget http://nginx.org/download/nginx-${NGINX_VERSION}.tar.gz
+          git clone https://github.com/openresty/openresty.git ../openresty
+          git clone https://github.com/openresty/nginx-devel-utils.git
+          git clone https://github.com/simpl/ngx_devel_kit.git ../ndk-nginx-module
+          git clone https://github.com/openresty/lua-nginx-module.git ../lua-nginx-module
+          git clone https://github.com/openresty/lua-resty-core.git ../lua-resty-core
+          git clone https://github.com/openresty/lua-resty-lrucache.git ../lua-resty-lrucache
+          git clone https://github.com/openresty/echo-nginx-module.git ../echo-nginx-module
+          git clone https://github.com/openresty/no-pool-nginx.git ../no-pool-nginx
+          git clone -b v2.1-agentzh https://github.com/openresty/luajit2.git
+          git clone https://github.com/openresty/mockeagain.git
+          tar -xf memcached-${MEMCACHED_VERSION}.tar.gz
+          cd memcached-${MEMCACHED_VERSION} && ./configure --enable-tls && make && sudo make install && cd ..
+          sudo /usr/local/bin/memcached -u nobody -d -o track_sizes -U 11211 -p 11211 -l 127.0.0.1
+          sudo /usr/local/bin/memcached -u nobody -d -Z -o track_sizes -o ssl_chain_cert=./t/cert/server.crt -o ssl_key=./t/cert/server.key -p 11212 -l 127.0.0.1
+          cd luajit2/
+          make -j$JOBS CCDEBUG=-g Q= PREFIX=$LUAJIT_PREFIX CC=$CC XCFLAGS='-DLUA_USE_APICHECK -DLUA_USE_ASSERT' > build.log 2>&1 || (cat build.log && exit 1)
+          sudo make install PREFIX=$LUAJIT_PREFIX > build.log 2>&1 || (cat build.log && exit 1)
+          cd ../mockeagain/ && make CC=$CC -j$JOBS && cd ..
+          export PATH=$PWD/work/nginx/sbin:$PWD/nginx-devel-utils:/usr/local/bin:$PATH
+          export LD_PRELOAD=$PWD/mockeagain/mockeagain.so
+          export LD_LIBRARY_PATH=$PWD/mockeagain:$LD_LIBRARY_PATH
+          export TEST_NGINX_RESOLVER=8.8.4.4
+          export NGX_BUILD_CC=$CC
+          ngx-build $NGINX_VERSION --with-ipv6 --with-http_realip_module --with-http_ssl_module --with-cc-opt="-I$PCRE_INC -I$OPENSSL_INC" --with-ld-opt="-L$PCRE_LIB -L$OPENSSL_LIB -Wl,-rpath,$PCRE_LIB:$OPENSSL_LIB" --add-module=../ndk-nginx-module --add-module=../lua-nginx-module --add-module=../echo-nginx-module --with-debug > build.log 2>&1 || (cat build.log && exit 1)
+          nginx -V; memcached -V;
+          ldd `which nginx`|grep -E 'luajit|ssl|pcre'
+          prove -r t
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index aed0f64..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,87 +0,0 @@
-sudo: required
-dist: focal
-
-branches:
-  only:
-    - "master"
-
-os: linux
-
-language: c
-
-compiler:
-  - gcc
-
-addons:
-  apt:
-    packages:
-    - memcached
-    - time
-    - psmisc
-    - net-tools
-    - libevent-dev
-
-cache:
-  directories:
-  - download-cache
-
-env:
-  global:
-    - JOBS=3
-    - NGX_BUILD_JOBS=$JOBS
-    - LUAJIT_PREFIX=/opt/luajit21
-    - LUAJIT_LIB=$LUAJIT_PREFIX/lib
-    - LUAJIT_INC=$LUAJIT_PREFIX/include/luajit-2.1
-    - LUA_INCLUDE_DIR=$LUAJIT_INC
-    - LUA_CMODULE_DIR=/lib
-    - OPENSSL_PREFIX=/usr/local/openresty/openssl3
-    - OPENSSL_LIB=$OPENSSL_PREFIX/lib
-    - OPENSSL_INC=$OPENSSL_PREFIX/include
-    - PCRE_PREFIX=/usr/local/openresty/pcre2
-    - PCRE_LIB=$PCRE_PREFIX/lib
-    - PCRE_INC=$PCRE_PREFIX/include
-    - LD_LIBRARY_PATH=$LUAJIT_LIB:$LD_LIBRARY_PATH
-    - TEST_NGINX_SLEEP=0.006
-    - MEMCACHED_VERSION=1.6.10
-  matrix:
-    - NGINX_VERSION=1.31.3
-
-install:
-  - wget -O - https://openresty.org/package/pubkey.gpg | sudo apt-key add -
-  - echo "deb http://openresty.org/package/ubuntu $(lsb_release -sc) main" | sudo tee /etc/apt/sources.list.d/openresty.list
-  - sudo apt-get update
-  - sudo DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends openresty-pcre2 openresty-openssl3 openresty-pcre2-dev openresty-openssl3-dev
-  - if [ ! -d download-cache ]; then mkdir download-cache; fi
-  - wget https://memcached.org/files/memcached-${MEMCACHED_VERSION}.tar.gz
-  - sudo apt-get install -qq -y axel
-  - cpanm --sudo --notest Test::Nginx IPC::Run Test2::Util > build.log 2>&1 || (cat build.log && exit 1)
-  - wget http://nginx.org/download/nginx-${NGINX_VERSION}.tar.gz
-  - git clone https://github.com/openresty/openresty.git ../openresty
-  - git clone https://github.com/openresty/nginx-devel-utils.git
-  - git clone https://github.com/simpl/ngx_devel_kit.git ../ndk-nginx-module
-  - git clone https://github.com/openresty/lua-nginx-module.git ../lua-nginx-module
-  - git clone https://github.com/openresty/lua-resty-core.git ../lua-resty-core
-  - git clone https://github.com/openresty/lua-resty-lrucache.git ../lua-resty-lrucache
-  - git clone https://github.com/openresty/echo-nginx-module.git ../echo-nginx-module
-  - git clone https://github.com/openresty/no-pool-nginx.git ../no-pool-nginx
-  - git clone -b v2.1-agentzh https://github.com/openresty/luajit2.git
-  - git clone https://github.com/openresty/mockeagain.git
-
-script:
-  - tar -xf memcached-${MEMCACHED_VERSION}.tar.gz
-  - cd memcached-${MEMCACHED_VERSION} && ./configure --enable-tls && make && sudo make install && cd ..
-  - sudo /usr/local/bin/memcached -u nobody -d -o track_sizes -U 11211 -p 11211 -l 127.0.0.1
-  - sudo /usr/local/bin/memcached -u nobody -d -Z -o track_sizes -o ssl_chain_cert=./t/cert/server.crt -o ssl_key=./t/cert/server.key -p 11212 -l 127.0.0.1
-  - cd luajit2/
-  - make -j$JOBS CCDEBUG=-g Q= PREFIX=$LUAJIT_PREFIX CC=$CC XCFLAGS='-DLUA_USE_APICHECK -DLUA_USE_ASSERT' > build.log 2>&1 || (cat build.log && exit 1)
-  - sudo make install PREFIX=$LUAJIT_PREFIX > build.log 2>&1 || (cat build.log && exit 1)
-  - cd ../mockeagain/ && make CC=$CC -j$JOBS && cd ..
-  - export PATH=$PWD/work/nginx/sbin:$PWD/nginx-devel-utils:/usr/local/bin:$PATH
-  - export LD_PRELOAD=$PWD/mockeagain/mockeagain.so
-  - export LD_LIBRARY_PATH=$PWD/mockeagain:$LD_LIBRARY_PATH
-  - export TEST_NGINX_RESOLVER=8.8.4.4
-  - export NGX_BUILD_CC=$CC
-  - ngx-build $NGINX_VERSION --with-ipv6 --with-http_realip_module --with-http_ssl_module --with-cc-opt="-I$PCRE_INC -I$OPENSSL_INC" --with-ld-opt="-L$PCRE_LIB -L$OPENSSL_LIB -Wl,-rpath,$PCRE_LIB:$OPENSSL_LIB" --add-module=../ndk-nginx-module --add-module=../lua-nginx-module --add-module=../echo-nginx-module --with-debug > build.log 2>&1 || (cat build.log && exit 1)
-  - nginx -V; memcached -V;
-  - ldd `which nginx`|grep -E 'luajit|ssl|pcre'
-  - prove -r t