diff --git a/Dockerfile b/Dockerfile
index 261f6b3..d2b42e7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 # Aliasing base images, so we can change just this, when needing to upgrade or pull base layers
 FROM ubuntu:22.04 AS base-distro
-FROM composer:2.4.4 AS composer
+FROM composer:2.6.6 AS composer
 
 
 FROM base-distro AS install-markdownlint