diff --git a/conf.env b/conf.env
index abbd72b..5be1b51 100644
--- a/conf.env
+++ b/conf.env
@@ -1,2 +1,2 @@
-POSTFIX_VERSION=3.4.9-r0
+POSTFIX_VERSION=3.4.12-r0
 DOCKER_IMAGE=dcarrillo/postfix