diff --git a/composer.json b/composer.json
index a6c49f6..e0e40ef 100644
--- a/composer.json
+++ b/composer.json
@@ -17,7 +17,7 @@
         }
     ],
     "require": {
-        "twbs/bootstrap": ">=3.3.0"
+        "twbs/bootstrap": "^3.3.0"
     },
     "require-dev": {
         "codeception/codeception": "@stable",