diff --git a/composer.json b/composer.json
index b61c204..c624ed4 100644
--- a/composer.json
+++ b/composer.json
@@ -25,7 +25,7 @@
         "psr/container": "^1.0",
         "psr/log": "^1.0",
         "symfony/polyfill-mbstring": "^1.9",
-        "symfony/process": "^3.2 || ^4.0"
+        "symfony/process": "^3.3 || ^4.0"
     },
     "require-dev" : {
         "captainhook/plugin-composer": "^3.0",