diff --git a/readme.md b/readme.md
index 123536a..b86288b 100644
--- a/readme.md
+++ b/readme.md
@@ -7,10 +7,10 @@ Images can be found on [docker hub](https://hub.docker.com/repository/docker/dan
 #### Supported versions
 
 * php 8.1.11
-  * composer 2.4.2
+  * composer 2.4.3
   * xdebug 3.1.5
 * php 8.0.24
-  * composer 2.4.2
+  * composer 2.4.3
   * xdebug 3.1.5
 * php 7.4.32 (latest)
   * composer 1.10.24
diff --git a/v8.0/Dockerfile b/v8.0/Dockerfile
index c2573e7..4712ef0 100644
--- a/v8.0/Dockerfile
+++ b/v8.0/Dockerfile
@@ -1,7 +1,7 @@
 FROM php:8.0.24-alpine
 
 ARG PHP_XDEBUG_VERSION=3.1.5
-ARG COMPOSER_VERSION=2.4.2
+ARG COMPOSER_VERSION=2.4.3
 
 RUN apk update && apk add --no-cache $PHPIZE_DEPS \
     && apk add --no-cache zlib-dev gd-dev libwebp-dev freetype-dev libpng-dev libjpeg-turbo-dev \
diff --git a/v8.1/Dockerfile b/v8.1/Dockerfile
index a7dd82c..e7f3fb8 100644
--- a/v8.1/Dockerfile
+++ b/v8.1/Dockerfile
@@ -1,7 +1,7 @@
 FROM php:8.1.11-alpine
 
 ARG PHP_XDEBUG_VERSION=3.1.5
-ARG COMPOSER_VERSION=2.4.2
+ARG COMPOSER_VERSION=2.4.3
 
 RUN apk update && apk add --no-cache $PHPIZE_DEPS \
     && apk add --no-cache zlib-dev gd-dev libwebp-dev freetype-dev libpng-dev libjpeg-turbo-dev \