diff --git a/firefly-iii/Dockerfile b/firefly-iii/Dockerfile
index f5fabdc..e12ce78 100644
--- a/firefly-iii/Dockerfile
+++ b/firefly-iii/Dockerfile
@@ -1,4 +1,4 @@
-FROM composer:2.3 as composer
+FROM composer:2.4 as composer
 
 #--------------#