diff --git a/.drone.yml b/.drone.yml
index ee398aa..ec23991 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -5,7 +5,7 @@ steps:
 - name: install
   image: composer
   commands:
-  - composer install
+  - composer install --ignore-platform-reqs
 
 - name: test
   image: php:7