diff --git a/.github/workflows/publish-release.yml b/.github/workflows/publish-release.yml
index a81d51fb4..443d34a9f 100644
--- a/.github/workflows/publish-release.yml
+++ b/.github/workflows/publish-release.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-24.04
     strategy:
       matrix:
-        php-version: ['8.2', '8.3'] # TODO 8.4
+        php-version: ['8.2', '8.3', '8.4']
     steps:
       - uses: actions/checkout@v4
       - uses: './.github/actions/ci-setup'
diff --git a/CHANGELOG.md b/CHANGELOG.md
index a810fdc17..f3281630d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com), and this
 
 ## [Unreleased]
 ### Added
+* [#2159](https://github.com/shlinkio/shlink/issues/2159) Add support for PHP 8.4.
 * [#2207](https://github.com/shlinkio/shlink/issues/2207) Add `hasRedirectRules` flag to short URL API model. This flag tells if a specific short URL has any redirect rules attached to it.
 * [#1520](https://github.com/shlinkio/shlink/issues/1520) Allow short URLs list to be filtered by `domain`.
 
diff --git a/Dockerfile b/Dockerfile
index e6e94734e..4f3d1ca65 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM php:8.3-alpine3.19 as base
+FROM php:8.3-alpine3.20 AS base
 
 ARG SHLINK_VERSION=latest
 ENV SHLINK_VERSION ${SHLINK_VERSION}
@@ -7,8 +7,8 @@ ENV SHLINK_RUNTIME ${SHLINK_RUNTIME}
 
 ENV USER_ID '1001'
 ENV PDO_SQLSRV_VERSION 5.12.0
-ENV MS_ODBC_DOWNLOAD 'b/9/f/b9f3cce4-3925-46d4-9f46-da08869c6486'
-ENV MS_ODBC_SQL_VERSION 18_18.1.1.1
+ENV MS_ODBC_DOWNLOAD '7/6/d/76de322a-d860-4894-9945-f0cc5d6a45f8'
+ENV MS_ODBC_SQL_VERSION 18_18.4.1.1
 ENV LC_ALL 'C'
 
 WORKDIR /etc/shlink
diff --git a/composer.json b/composer.json
index 6cc937387..6b73d9035 100644
--- a/composer.json
+++ b/composer.json
@@ -18,7 +18,8 @@
         "ext-json": "*",
         "ext-mbstring": "*",
         "ext-pdo": "*",
-        "akrabat/ip-address-middleware": "^2.3",
+        "acelaya/crawler-detect": "^1.3",
+        "acelaya/ip-address-middleware": "^2.4",
         "cakephp/chronos": "^3.1",
         "doctrine/dbal": "^4.2",
         "doctrine/migrations": "^3.8",
@@ -28,7 +29,6 @@
         "geoip2/geoip2": "^3.0",
         "guzzlehttp/guzzle": "^7.9",
         "hidehalo/nanoid-php": "^2.0",
-        "jaybizzle/crawler-detect": "^1.2.116",
         "laminas/laminas-config-aggregator": "^1.15",
         "laminas/laminas-diactoros": "^3.5",
         "laminas/laminas-inputfilter": "^2.30",
@@ -39,7 +39,7 @@
         "mezzio/mezzio-fastroute": "^3.12",
         "mezzio/mezzio-problem-details": "^1.15",
         "mlocati/ip-lib": "^1.18.1",
-        "mobiledetect/mobiledetectlib": "^4.8",
+        "mobiledetect/mobiledetectlib": "4.8.x-dev#920c549 as 4.9",
         "pagerfanta/core": "^3.8",
         "ramsey/uuid": "^4.7",
         "shlinkio/doctrine-specification": "^2.1.1",
diff --git a/data/infra/ci/install-ms-odbc.sh b/data/infra/ci/install-ms-odbc.sh
index eb3fade1c..8e7f931fe 100755
--- a/data/infra/ci/install-ms-odbc.sh
+++ b/data/infra/ci/install-ms-odbc.sh
@@ -3,7 +3,7 @@
 set -ex
 
 curl https://packages.microsoft.com/keys/microsoft.asc | apt-key add -
-curl https://packages.microsoft.com/config/ubuntu/22.04/prod.list > /etc/apt/sources.list.d/mssql-release.list
+curl https://packages.microsoft.com/config/ubuntu/24.04/prod.list > /etc/apt/sources.list.d/mssql-release.list
 apt-get update
 ACCEPT_EULA=Y apt-get install msodbcsql18
 # apt-get install unixodbc-dev
diff --git a/data/infra/php.Dockerfile b/data/infra/php.Dockerfile
index 4a7904bf1..e594664b4 100644
--- a/data/infra/php.Dockerfile
+++ b/data/infra/php.Dockerfile
@@ -1,10 +1,10 @@
-FROM php:8.3-fpm-alpine3.19
+FROM php:8.3-fpm-alpine3.20
 MAINTAINER Alejandro Celaya <alejandro@alejandrocelaya.com>
 
-ENV APCU_VERSION 5.1.23
+ENV APCU_VERSION 5.1.24
 ENV PDO_SQLSRV_VERSION 5.12.0
-ENV MS_ODBC_DOWNLOAD 'b/9/f/b9f3cce4-3925-46d4-9f46-da08869c6486'
-ENV MS_ODBC_SQL_VERSION 18_18.1.1.1
+ENV MS_ODBC_DOWNLOAD '7/6/d/76de322a-d860-4894-9945-f0cc5d6a45f8'
+ENV MS_ODBC_SQL_VERSION 18_18.4.1.1
 
 RUN apk update
 
diff --git a/data/infra/roadrunner.Dockerfile b/data/infra/roadrunner.Dockerfile
index 0bf251f66..198a6867f 100644
--- a/data/infra/roadrunner.Dockerfile
+++ b/data/infra/roadrunner.Dockerfile
@@ -1,10 +1,9 @@
-FROM php:8.3-alpine3.19
+FROM php:8.3-alpine3.20
 MAINTAINER Alejandro Celaya <alejandro@alejandrocelaya.com>
 
-ENV APCU_VERSION 5.1.23
 ENV PDO_SQLSRV_VERSION 5.12.0
-ENV MS_ODBC_DOWNLOAD 'b/9/f/b9f3cce4-3925-46d4-9f46-da08869c6486'
-ENV MS_ODBC_SQL_VERSION 18_18.1.1.1
+ENV MS_ODBC_DOWNLOAD '7/6/d/76de322a-d860-4894-9945-f0cc5d6a45f8'
+ENV MS_ODBC_SQL_VERSION 18_18.4.1.1
 
 RUN apk update
 
@@ -36,16 +35,6 @@ RUN apk add --no-cache --virtual .phpize-deps $PHPIZE_DEPS linux-headers && \
     apk del .phpize-deps
 RUN docker-php-ext-install bcmath
 
-# Install APCu extension
-ADD https://pecl.php.net/get/apcu-$APCU_VERSION.tgz /tmp/apcu.tar.gz
-RUN mkdir -p /usr/src/php/ext/apcu \
-  && tar xf /tmp/apcu.tar.gz -C /usr/src/php/ext/apcu --strip-components=1 \
-  && docker-php-ext-configure apcu \
-  && docker-php-ext-install apcu \
-  && rm /tmp/apcu.tar.gz \
-  && rm /usr/local/etc/php/conf.d/docker-php-ext-apcu.ini \
-  && echo extension=apcu.so > /usr/local/etc/php/conf.d/20-php-ext-apcu.ini
-
 # Install xdebug and sqlsrv driver
 RUN apk add --update linux-headers && \
     wget https://download.microsoft.com/download/${MS_ODBC_DOWNLOAD}/msodbcsql${MS_ODBC_SQL_VERSION}-1_amd64.apk && \