diff --git a/Dockerfile b/Dockerfile
index 0e065f1..366d6e2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # Which versions?
-ARG PHP_VERSION=8.3.11
+ARG PHP_VERSION=8.3.12
 ARG PDO_SQLSRV_EXT_VERSION=5.12.0
 ARG REDIS_EXT_VERSION=6.0.2
 ARG IMAGICK_EXT_VERSION=3.7.0
@@ -7,7 +7,7 @@ ARG PCOV_EXT_VERSION=1.0.11
 ARG HTTPD_VERSION=2.4.62
 ARG NGINX_VERSION=1.26.2
 ARG NODE_VERSION=20.17.0
-ARG COMPOSER_VERSION=2.7.8
+ARG COMPOSER_VERSION=2.7.9
 ARG YARN_VERSION=1.22.22
 
 # Inherit from Heroku's stack