diff --git a/postfix/Dockerfile b/postfix/Dockerfile
index 57d4330..2b54d75 100644
--- a/postfix/Dockerfile
+++ b/postfix/Dockerfile
@@ -1,4 +1,4 @@
-FROM debian:13.2-slim
+FROM debian:13.3-slim
 
 LABEL maintainer="Riddhesh Sanghvi <riddhesh237@gmail.com>"
 LABEL org.label-schema.schema-version="1.0.0"