diff --git a/php-fpm/Dockerfile.81 b/php-fpm/Dockerfile.81
index 16a4f02d..fbaa800a 100644
--- a/php-fpm/Dockerfile.81
+++ b/php-fpm/Dockerfile.81
@@ -1,4 +1,4 @@
-FROM ubuntu:22.04 AS build
+FROM ubuntu:24.04 AS build
 RUN \
     export DEBIAN_FRONTEND=noninteractive && \
     apt-get -q update && \
@@ -10,7 +10,7 @@ RUN \
     pecl install timezonedb && \
     rm -rf /var/lib/apt/lists/* /var/cache/apt/archives/*
 
-FROM ubuntu:22.04
+FROM ubuntu:24.04
 
 # Extra PHP extensions: msgpack (because of memcache)
 # We lack: newrelic
diff --git a/php-fpm/Dockerfile.82 b/php-fpm/Dockerfile.82
index f623d1e7..2231f3cd 100644
--- a/php-fpm/Dockerfile.82
+++ b/php-fpm/Dockerfile.82
@@ -1,4 +1,4 @@
-FROM ubuntu:22.04 AS build
+FROM ubuntu:24.04 AS build
 RUN \
     export DEBIAN_FRONTEND=noninteractive && \
     apt-get -q update && \
@@ -10,7 +10,7 @@ RUN \
     pecl install timezonedb && \
     rm -rf /var/lib/apt/lists/* /var/cache/apt/archives/*
 
-FROM ubuntu:22.04
+FROM ubuntu:24.04
 
 # Extra PHP extensions: msgpack (because of memcache)
 # We lack: newrelic
diff --git a/php-fpm/Dockerfile.83 b/php-fpm/Dockerfile.83
index 782607fe..aa2dcac3 100644
--- a/php-fpm/Dockerfile.83
+++ b/php-fpm/Dockerfile.83
@@ -1,4 +1,4 @@
-FROM ubuntu:22.04 AS build
+FROM ubuntu:24.04 AS build
 RUN \
     export DEBIAN_FRONTEND=noninteractive && \
     apt-get -q update && \
@@ -17,7 +17,7 @@ RUN pecl install memcache
 RUN pecl install memcached
 RUN pecl install channel://pecl.php.net/gmagick-2.0.6RC1
 
-FROM ubuntu:22.04
+FROM ubuntu:24.04
 
 # We lack: newrelic
 # Missing: php8.3-gnupg php8.3-ssh2 php8.3-xdebug