diff --git a/composer.json b/composer.json
index 1ff7c44d44cbfc3c5c878e790f236b89a8491ce6..7dd189895b7d6ec2dd550e81678f6666a9f6c0e2 100644
--- a/composer.json
+++ b/composer.json
@@ -11,12 +11,12 @@
     ],
     "require": {
         "php": ">=7.1",
-        "jangregor/phpstan-prophecy": "^0.6.2",
-        "phpstan/phpstan": "^0.12.7",
-        "phpstan/phpstan-beberlei-assert": "^0.12",
-        "phpstan/phpstan-doctrine": "^0.12.1",
-        "phpstan/phpstan-phpunit": "^0.12",
-        "phpstan/phpstan-symfony": "^0.12.1"
+        "jangregor/phpstan-prophecy": ">=0.3.1",
+        "phpstan/phpstan": ">=0.11.7",
+        "phpstan/phpstan-beberlei-assert": ">=0.11",
+        "phpstan/phpstan-doctrine": ">=0.11.1",
+        "phpstan/phpstan-phpunit": ">=0.11",
+        "phpstan/phpstan-symfony": ">=0.11.1"
     },
     "bin": [
         "bin/phpstan-watch"