diff --git a/Dockerfile b/Dockerfile
index f5b0d1b..8ad7c49 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 
 # INSTALL PHP COMPOSER DEPENDENCIES
-FROM composer:lts AS composer-deps
+FROM composer:2.7.9 AS composer-deps
 
 WORKDIR /