diff --git a/.github/workflows/container.yml b/.github/workflows/container.yml
index 69db0c2..fbc3fd1 100644
--- a/.github/workflows/container.yml
+++ b/.github/workflows/container.yml
@@ -9,7 +9,7 @@ on:
 env:
   php_version: 8.4.2
   unit_version: 1.34.0
-  composer_version: 2.8.3
+  composer_version: 2.8.4
   datadog_version: 1.5.1
   xdebug_version: 3.4.0
 
diff --git a/Dockerfile b/Dockerfile
index 348bbe8..9f4f0e0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 ARG PHP_VERSION=8.4.2
 ARG UNIT_VERSION=1.34.0
-ARG COMPOSER_VERSION=2.8.3
+ARG COMPOSER_VERSION=2.8.4
 
 FROM php:${PHP_VERSION}-cli AS builder