diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 04651e2..ff1ffe8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,16 +1,25 @@
 name: CI
+
 on: [ push, pull_request, workflow_dispatch ]
+
+permissions: {}
+
 jobs:
   CI:
     runs-on: ${{ matrix.os }}
+    permissions:
+      contents: read
     strategy:
       fail-fast: true
       matrix:
         include:
-          - os: ubuntu-22.04
-            nginx-version: 1.25.3
+          - os: ubuntu-24.04
+            nginx-version: 1.27.3
+
     steps:
-      - uses: actions/checkout@v4
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
       - name: Install dependencies
         run: |
           # for Test::Nginx
@@ -18,25 +27,39 @@ jobs:
           echo "deb [signed-by=/usr/share/keyrings/openresty.gpg] https://openresty.org/package/ubuntu $(lsb_release -sc) main" | \
             sudo tee /etc/apt/sources.list.d/openresty.list > /dev/null
           sudo apt-get update
-          sudo apt-get install libtest-nginx-perl redis-server
+          sudo apt-get install --no-install-recommends libtest-nginx-perl redis-server
+
       - name: Install nginx
         env:
           NGINX_VERSION: ${{ matrix.nginx-version }}
-        run: ci/install-nginx.sh --add-module=$GITHUB_WORKSPACE/
-      - name: Build Redis rate limiter module
-        run: ci/build-rate-limiter.sh
+        working-directory: ${{ runner.temp }}
+        run: |
+          mkdir nginx
+          curl -Ls https://nginx.org/download/nginx-$NGINX_VERSION.tar.gz | \
+            tar xzC nginx --strip-components=1
+          cd nginx
+          ./configure --prefix="$HOME/nginx" --add-module=${{ github.workspace }}
+          make -j$(nproc)
+          make install
+
       - name: Install Redis rate limiter module
+        working-directory: ${{ runner.temp }}
         run: |
-          sudo mkdir -p /usr/lib/redis/modules
-          sudo mv rate-limiter/ratelimit.so /usr/lib/redis/modules/
+          git clone https://github.com/onsigntv/redis-rate-limiter.git
+          cd redis-rate-limiter
+          make -j$(nproc) USE_MONOTONIC_CLOCK=1
+          sudo install -D -t /usr/lib/redis/modules ratelimit.so
+
       - name: Load Redis rate limiter module
         run: |
           # Redis < 7
-          redis-cli MODULE LOAD /usr/lib/redis/modules/ratelimit.so
+          # redis-cli MODULE LOAD /usr/lib/redis/modules/ratelimit.so
           # Redis >= 7 (due to `enable-module-command no` restriction)
-          # echo "loadmodule /usr/lib/redis/modules/ratelimit.so" | sudo tee -a /etc/redis/redis.conf
-          # sudo service redis-server restart
+          echo "loadmodule /usr/lib/redis/modules/ratelimit.so" | sudo tee -a /etc/redis/redis.conf
+          sudo service redis-server restart
+
       - name: Prepare environment
         run: echo "$HOME/nginx/sbin" >> $GITHUB_PATH
+
       - name: Run integration tests
         run: prove -r t
diff --git a/README.md b/README.md
index 29988e2..1a8d25d 100644
--- a/README.md
+++ b/README.md
@@ -66,13 +66,13 @@ location = /quota {
 
 You can install this module manually by recompiling the standard Nginx core as follows:
 
-1. Grab the nginx source code from [nginx.org](http://nginx.org) (this module is tested on version 1.25.3).
+1. Grab the nginx source code from [nginx.org](https://nginx.org) (this module is tested on version 1.27.3).
 2. Clone this repository into a newly created directory (for e.g. `./rate-limit-nginx-module`)
 3. Build the nginx source with this module:
 ```bash
-wget https://nginx.org/download/nginx-1.25.3.tar.gz
-tar -xzvf nginx-1.25.3.tar.gz
-cd nginx-1.25.3/
+wget https://nginx.org/download/nginx-1.27.3.tar.gz
+tar -xzvf nginx-1.27.3.tar.gz
+cd nginx-1.27.3/
 
 git clone https://github.com/weserv/rate-limit-nginx-module rate-limit-nginx-module
 
diff --git a/ci/build-rate-limiter.sh b/ci/build-rate-limiter.sh
deleted file mode 100755
index 44f5ccf..0000000
--- a/ci/build-rate-limiter.sh
+++ /dev/null
@@ -1,14 +0,0 @@
-#!/usr/bin/env bash
-
-# Exit immediately if a command exits with a non-zero status
-set -e
-
-# Define variables
-branch=master
-rate_limiter_repo=https://github.com/onsigntv/redis-rate-limiter.git
-
-echo "Building redis-rate-limiter from source"
-
-git clone -b $branch --single-branch $rate_limiter_repo rate-limiter
-cd rate-limiter
-make -j$(nproc) USE_MONOTONIC_CLOCK=1
diff --git a/ci/install-nginx.sh b/ci/install-nginx.sh
deleted file mode 100755
index 7a74f4d..0000000
--- a/ci/install-nginx.sh
+++ /dev/null
@@ -1,22 +0,0 @@
-#!/usr/bin/env bash
-
-# Exit immediately if a command exits with a non-zero status
-set -e
-
-# Define variables
-version=$NGINX_VERSION
-nginx_tarball=https://nginx.org/download/nginx-$version.tar.gz
-
-# Make sure the nginx folder exist
-mkdir -p "$HOME/nginx"
-
-echo "Installing nginx $version"
-
-curl -Ls $nginx_tarball | tar xz
-cd nginx-$version
-./configure --prefix="$HOME/nginx" "$@"
-make -j$(nproc) && make install
-
-# Clean-up build directory
-cd ../
-rm -rf nginx-$version