diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 20eb898efe50e794fda04c634ab5917aaacf9582..1fded95842f343f154e27e0c4cc256de4e4863e3 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -8,7 +8,7 @@ variables:
 
 PHPstan:
   stage: test
-  image: composer:2.7.8
+  image: composer:2.7.9
   needs: []
   before_script:
     - composer install --ignore-platform-reqs
@@ -54,7 +54,7 @@ PHPCS:
 
 Unit tests:
   stage: test
-  image: composer:2.7.8
+  image: composer:2.7.9
   needs: []
   variables:
     XDEBUG_MODE: coverage
@@ -84,7 +84,7 @@ Webpack:
 
 Composer:
   stage: build
-  image: composer:2.7.8
+  image: composer:2.7.9
   needs: []
   script:
     - apk add php-cli composer php-gd php-ctype php-xml php-simplexml php-xmlwriter php-tokenizer php-session php-dom php-mysqli php-pdo_mysql php-sockets
diff --git a/Dockerfile b/Dockerfile
index e765e16d9d3abdb39be4b92e90b3a02b1ad7762e..364f7620cf0cf7527f45dc8a1f4bb93905df7c50 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,7 +4,7 @@ COPY . ./
 RUN yarn install --frozen-lockfile && \
     yarn build
 
-FROM --platform=$BUILDPLATFORM composer:2.7.8@sha256:57000529b4609b66beeba3ebdd0ebb68b28be262c30669dfccb31003febb245a as buildPHP
+FROM --platform=$BUILDPLATFORM composer:2.7.9@sha256:8008ba4d8723edf5f3566bd94e9330a5cdff3d6125ed34a8502718f8d2289515 as buildPHP
 WORKDIR /app
 COPY . ./
 RUN composer install --no-cache --no-interaction --prefer-dist --ignore-platform-reqs --optimize-autoloader