diff --git a/.gitpod.yml b/.gitpod.yml
index 8938af4..9205c01 100644
--- a/.gitpod.yml
+++ b/.gitpod.yml
@@ -1,5 +1,4 @@
 tasks:
   - init: >
       composer install
-image:
-  file: .gitpod.Dockerfile
+image: prooph/composer:7.4