diff --git a/composer.json b/composer.json
index 950ecaec8..cd61034b8 100644
--- a/composer.json
+++ b/composer.json
@@ -30,6 +30,7 @@
     "require": {
         "champs-libres/async-uploader-bundle": "dev-sf4",
         "champs-libres/wopi-bundle": "dev-master",
+        "nyholm/psr7": "^1.4",
         "graylog2/gelf-php": "^1.5",
         "symfony/form": "4.*",
         "symfony/twig-bundle": "^4.4",
diff --git a/src/Bundle/ChillWopiBundle/composer.json b/src/Bundle/ChillWopiBundle/composer.json
index 838fe58e4..7f7e6a4ed 100644
--- a/src/Bundle/ChillWopiBundle/composer.json
+++ b/src/Bundle/ChillWopiBundle/composer.json
@@ -18,6 +18,7 @@
     "require": {
         "php": ">= 7.4",
         "champs-libres/wopi-bundle": "dev-master",
+        "nyholm/psr7": "^1.4",
         "php-opencloud/openstack": "^3.2.1"
     },
     "autoload": {