diff --git a/Dockerfile b/Dockerfile
index 0b66904..822c45d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM docker.io/library/php:7.4-apache
+FROM docker.io/library/php:8.3-apache
 
 # POSTFIXADMIN VERSION
 ARG POSTFIXADMIN_VERSION