diff --git a/buildpack.toml b/buildpack.toml
index baf0ab26..f5839fc3 100644
--- a/buildpack.toml
+++ b/buildpack.toml
@@ -1,4 +1,4 @@
-api = "0.2"
+api = "0.4"
 
 [buildpack]
   id = "paketo-buildpacks/php-dist"