diff --git a/1-php7.4/Dockerfile b/1-php7.4/Dockerfile
index 89dab18..29c7219 100644
--- a/1-php7.4/Dockerfile
+++ b/1-php7.4/Dockerfile
@@ -3,7 +3,7 @@ FROM php:7.4.30-cli-bullseye@sha256:4620d238175aef46e1f773ff0e4af0f6544b696b8b24
 SHELL [ "/bin/bash", "-exo", "pipefail", "-c" ]
 
 # renovate: datasource=github-tags depName=composer/composer versioning=semver
-ENV COMPOSER_VERSION 1.10.26
+ENV COMPOSER_VERSION 2.4.2
 ENV COMPOSER_INSTALLER_COMMIT 459bcaab2cc03f1656dd7b065d500d0cf3070e3f
 ENV COMPOSER_INSTALLER_HASH 756890a4488ce9024fc62c56153228907f1545c228516cbf63f885e036d37e9a59d27d63f46af1d4d07ee0f76181c7d3
 
diff --git a/1-php8.0/Dockerfile b/1-php8.0/Dockerfile
index 33f5664..1fdeb05 100644
--- a/1-php8.0/Dockerfile
+++ b/1-php8.0/Dockerfile
@@ -3,7 +3,7 @@ FROM php:8.0.23-cli-bullseye@sha256:bf2fa235b19fa63f15413262d543322dc571b891b013
 SHELL [ "/bin/bash", "-exo", "pipefail", "-c" ]
 
 # renovate: datasource=github-tags depName=composer/composer versioning=semver
-ENV COMPOSER_VERSION 1.10.26
+ENV COMPOSER_VERSION 2.4.2
 ENV COMPOSER_INSTALLER_COMMIT 459bcaab2cc03f1656dd7b065d500d0cf3070e3f
 ENV COMPOSER_INSTALLER_HASH 756890a4488ce9024fc62c56153228907f1545c228516cbf63f885e036d37e9a59d27d63f46af1d4d07ee0f76181c7d3