diff --git a/composer.json b/composer.json
index 0504c00..ceb357d 100644
--- a/composer.json
+++ b/composer.json
@@ -25,7 +25,7 @@
         "composer/composer": "^1.3",
         "felixfbecker/advanced-json-rpc": "^3.0.0",
         "jetbrains/phpstorm-stubs": "dev-master",
-        "microsoft/tolerant-php-parser": "^0.0.6",
+        "microsoft/tolerant-php-parser": "0.0.*",
         "netresearch/jsonmapper": "^1.0",
         "phpdocumentor/reflection-docblock": "^4.0.0",
         "sabre/event": "^5.0",