diff --git a/composer.json b/composer.json
index a65867dcc6261c7571ba9d406aa6717c5ae71d45..adad8385ca42f3c645ee890742751ad79c81d8a6 100644
--- a/composer.json
+++ b/composer.json
@@ -10,7 +10,6 @@
         }
     ],
     "require": {
-        "hirak/prestissimo": "@stable",
         "irstea/composer-require-checker-shim": "@stable",
         "irstea/pcov-clobber-plugin": "@stable",
         "irstea/php-cs-fixer-config": "@stable",