diff --git a/Composer-plugin.md b/Composer-plugin.md
index 8edcc2d..8caacf9 100644
--- a/Composer-plugin.md
+++ b/Composer-plugin.md
@@ -11,7 +11,7 @@ Allows you to run Composer within your build, to install dependencies prior to t
 setup:
   composer:
     directory: "my/composer/dir"
-    action: "install"
+    action: "update"
     prefer_dist: true
 ```