diff --git a/composer.json b/composer.json
index a965fa2..09fbaf9 100644
--- a/composer.json
+++ b/composer.json
@@ -42,7 +42,7 @@
     },
     "require-dev": {
         "phpunit/phpunit": "^5",
-        "macfja/phar-builder": "dev-master"
+        "macfja/phar-builder": "^0.2.3"
     },
     "extra": {
         "phar-builder": {