diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..5bac5f5
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,72 @@
+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 \
+            axel \
+            build-essential \
+            ca-certificates \
+            cpanminus \
+            git \
+            wget
+
+      - name: Build and test
+        env:
+          CC: gcc
+          NGINX_VERSION: 1.31.4
+        run: |
+          set -e
+          mkdir -p download-cache
+          export JOBS=3
+          export LUAJIT_PREFIX=/opt/luajit21
+          export LUAJIT_LIB=$LUAJIT_PREFIX/lib
+          export LUAJIT_INC=$LUAJIT_PREFIX/include/luajit-2.1
+          export LD_LIBRARY_PATH=$LUAJIT_LIB:$LD_LIBRARY_PATH
+          export PCRE_PREFIX=/usr/local/openresty/pcre2
+          export PCRE_LIB=$PCRE_PREFIX/lib
+          export PCRE_INC=$PCRE_PREFIX/include
+          sudo apt-get update -y
+          sudo apt-get install -y ca-certificates
+          sudo cpanm --notest Test::Nginx IPC::Run Test2::Util > build.log 2>&1 || (cat build.log && exit 1)
+          sudo cpanm -v --notest Test::Nginx > build.log 2>&1 || (cat build.log && exit 1)
+          wget -O - https://openresty.org/package/pubkey.gpg | sudo apt-key add -
+          echo "deb http://openresty.org/package/ubuntu $(lsb_release -sc) main" | sudo tee /etc/apt/sources.list.d/openresty.list
+          sudo apt-get update
+          sudo DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends openresty-pcre2 openresty-openssl3 openresty-pcre2-dev openresty-openssl3-dev
+          git clone https://github.com/openresty/echo-nginx-module.git ../echo-nginx-module
+          git clone https://github.com/openresty/lua-nginx-module.git ../lua-nginx-module
+          git clone https://github.com/openresty/lua-resty-core.git ../lua-resty-core
+          git clone https://github.com/openresty/lua-resty-lrucache.git ../lua-resty-lrucache
+          git clone https://github.com/openresty/nginx-eval-module.git ../eval-nginx-module
+          git clone https://github.com/openresty/openresty.git ../openresty
+          git clone https://github.com/openresty/no-pool-nginx.git ../no-pool-nginx
+          git clone https://github.com/openresty/nginx-devel-utils.git
+          git clone -b v2.1-agentzh https://github.com/openresty/luajit2.git luajit2
+          cd luajit2/
+          make -j$JOBS CCDEBUG=-g Q= PREFIX=$LUAJIT_PREFIX CC=$CC XCFLAGS='-DLUA_USE_APICHECK -DLUA_USE_ASSERT -msse4.2' > build.log 2>&1 || (cat build.log && exit 1)
+          sudo make install PREFIX=$LUAJIT_PREFIX > build.log 2>&1 || (cat build.log && exit 1)
+          cd ..
+          export PATH=$PWD/work/nginx/sbin:$PWD/nginx-devel-utils:$PATH
+          export NGX_BUILD_CC=$CC
+          sh util/build.sh $NGINX_VERSION > build.log 2>&1 || (cat build.log && exit 1)
+          prove -I. -r t
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 600393e..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,65 +0,0 @@
-sudo: required
-dist: focal
-
-branches:
-  only:
-    - "master"
-
-os: linux
-
-language: c
-
-compiler:
-  - gcc
-
-addons:
-  apt:
-    packages:
-    - axel
-    - cpanminus
-
-env:
-  global:
-    - LUAJIT_PREFIX=/opt/luajit21
-    - LUAJIT_LIB=$LUAJIT_PREFIX/lib
-    - LUAJIT_INC=$LUAJIT_PREFIX/include/luajit-2.1
-    - LD_LIBRARY_PATH=$LUAJIT_LIB:$LD_LIBRARY_PATH
-    - PCRE_PREFIX=/usr/local/openresty/pcre2
-    - PCRE_LIB=$PCRE_PREFIX/lib
-    - PCRE_INC=$PCRE_PREFIX/include
-  matrix:
-    - NGINX_VERSION=1.31.3
-
-before_install:
-  - sudo apt-get update -y
-  - sudo apt-get install -y ca-certificates
-  - sudo cpanm --notest Test::Nginx IPC::Run Test2::Util > build.log 2>&1 || (cat build.log && exit 1)
-  - sudo cpanm -v --notest Test::Nginx > build.log 2>&1 || (cat build.log && exit 1)
-  - wget -O - https://openresty.org/package/pubkey.gpg | sudo apt-key add -
-  - echo "deb http://openresty.org/package/ubuntu $(lsb_release -sc) main" | sudo tee /etc/apt/sources.list.d/openresty.list
-  - sudo apt-get update
-  - sudo DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends openresty-pcre2 openresty-openssl3 openresty-pcre2-dev openresty-openssl3-dev
-
-install:
-  - git clone https://github.com/openresty/echo-nginx-module.git ../echo-nginx-module
-  - git clone https://github.com/openresty/lua-nginx-module.git ../lua-nginx-module
-  - git clone https://github.com/openresty/lua-resty-core.git ../lua-resty-core
-  - git clone https://github.com/openresty/lua-resty-lrucache.git ../lua-resty-lrucache
-  - git clone https://github.com/openresty/nginx-eval-module.git ../eval-nginx-module
-  - git clone https://github.com/openresty/openresty.git ../openresty
-  - git clone https://github.com/openresty/no-pool-nginx.git ../no-pool-nginx
-  - git clone https://github.com/openresty/nginx-devel-utils.git
-  - git clone -b v2.1-agentzh https://github.com/openresty/luajit2.git luajit2
-
-before_script:
-  - cd luajit2/
-  - make -j$JOBS CCDEBUG=-g Q= PREFIX=$LUAJIT_PREFIX CC=$CC XCFLAGS='-DLUA_USE_APICHECK -DLUA_USE_ASSERT -msse4.2' > build.log 2>&1 || (cat build.log && exit 1)
-  - sudo make install PREFIX=$LUAJIT_PREFIX > build.log 2>&1 || (cat build.log && exit 1)
-  - cd ..
-
-script:
-  - export PATH=$PWD/work/nginx/sbin:$PWD/nginx-devel-utils:$PATH
-  - export NGX_BUILD_CC=$CC
-  - sh util/build.sh $NGINX_VERSION > build.log 2>&1 || (cat build.log && exit 1)
-
-  - prove -I. -r t
diff --git a/t/input.t b/t/input.t
index f1afc90..cb635d8 100644
--- a/t/input.t
+++ b/t/input.t
@@ -355,7 +355,7 @@ empty_header:
 --- more_headers
 User-Agent: my-sock
 --- response_body eval
-$Test::Nginx::Util::NginxVersion < 1.029008 ?
+($Test::Nginx::Util::NginxVersion < 1.029008 || $Test::Nginx::Util::NginxVersion >= 1.031004) ?
 "GET /proxy HTTP/1.0\r
 Host: 127.0.0.1:\$ServerPort\r
 Connection: close\r
@@ -386,7 +386,7 @@ Host: 127.0.0.1:\$ServerPort\r
 --- request
     GET /foo
 --- response_body eval
-$Test::Nginx::Util::NginxVersion < 1.029008 ?
+($Test::Nginx::Util::NginxVersion < 1.029008 || $Test::Nginx::Util::NginxVersion >= 1.031004) ?
 "GET /proxy HTTP/1.0\r
 Host: 127.0.0.1:\$ServerPort\r
 Connection: close\r
@@ -426,7 +426,7 @@ for my $i (3..21) {
 $s;
 --- response_body eval
 
-my $comm_header = $Test::Nginx::Util::NginxVersion < 1.029008 ?
+my $comm_header = ($Test::Nginx::Util::NginxVersion < 1.029008 || $Test::Nginx::Util::NginxVersion >= 1.031004) ?
     "Host: 127.0.0.1:\$ServerPort\r\nConnection: close\r" : "Connection: close\r\nHost: 127.0.0.1:\$ServerPort\r";
 
 "GET /proxy HTTP/1.0\r
@@ -574,7 +574,7 @@ hello world
 Content-Type: application/ocsp-request
 Test-Header: 1
 --- response_body_like eval
-if ($Test::Nginx::Util::NginxVersion < 1.029008) {
+if ($Test::Nginx::Util::NginxVersion < 1.029008 || $Test::Nginx::Util::NginxVersion >= 1.031004) {
 qr/Connection: close\r
 Test-Header: 1\r
 \r
@@ -685,7 +685,7 @@ for my $i ('a' .. 'r') {
 }
 $s
 --- response_body eval
-my $comm_header = $Test::Nginx::Util::NginxVersion < 1.029008 ?
+my $comm_header = ($Test::Nginx::Util::NginxVersion < 1.029008 || $Test::Nginx::Util::NginxVersion >= 1.031004) ?
 "Host: foo\r\nConnection: close\r" : "Connection: close\r\nHost: foo\r";
 "GET /back HTTP/1.0\r
 $comm_header
@@ -741,7 +741,7 @@ for my $i ('a' .. 'r') {
 }
 $s
 --- response_body eval
-my $comm_header = $Test::Nginx::Util::NginxVersion < 1.029008 ?
+my $comm_header = ($Test::Nginx::Util::NginxVersion < 1.029008 || $Test::Nginx::Util::NginxVersion >= 1.031004) ?
 "Host: foo\r\nConnection: close\r" : "Connection: close\r\nHost: foo\r";
 "GET /back HTTP/1.0\r
 $comm_header
@@ -812,7 +812,7 @@ for my $i ('a' .. 'r') {
 }
 $s
 --- response_body eval
-my $comm_header = $Test::Nginx::Util::NginxVersion < 1.029008 ?
+my $comm_header = ($Test::Nginx::Util::NginxVersion < 1.029008 || $Test::Nginx::Util::NginxVersion >= 1.031004)  ?
 "Host: foo\r\nConnection: close\r" : "Connection: close\r\nHost: foo\r";
 "GET /back HTTP/1.0\r
 $comm_header