diff --git a/.travis.yml b/.travis.yml
index b9e116d4..1e5c41ef 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,5 +5,4 @@ import:
 
 env:
   global:
-    - COMPOSER_ROOT_VERSION="4.x-dev"
-    - REQUIRE_RECIPE="$COMPOSER_ROOT_VERSION"
+    - REQUIRE_RECIPE="4.8.x-dev"