diff --git a/.travis.yml b/.travis.yml
index 8edaa48..939b7ec 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,7 +13,7 @@ env:
         - SYMFONY_PHPUNIT_REMOVE='' # don't remove prophecy
         - SYMFONY_PHPUNIT_REMOVE_RETURN_TYPEHINT=1
 
-php: [7.2, 7.1, 7.0, 5.6, 5.5, 5.4]
+php: [7.2, 7.1, 7.0, 5.6]
 
 matrix:
     include: