diff --git a/composer.json b/composer.json
index 8ceddf5f..3667bb63 100644
--- a/composer.json
+++ b/composer.json
@@ -28,6 +28,7 @@
     "justinrainbow/json-schema": "^5.2.12"
   },
   "require-dev": {
+    "composer/semver": "^3.0.0",
     "ergebnis/data-provider": "^1.3.0",
     "ergebnis/license": "^2.1.0",
     "ergebnis/php-cs-fixer-config": "^5.2.0",
diff --git a/composer.lock b/composer.lock
index 3ad904d4..0cca9656 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "eb45986c69ebabc1023ec6f15a4bc05c",
+    "content-hash": "1ba8da9f3e36ff3ace1bee4b1b66eb4a",
     "packages": [
         {
             "name": "ergebnis/json",