diff --git a/meta-networking/recipes-daemons/postfix/postfix_3.6.2.bb b/meta-networking/recipes-daemons/postfix/postfix_3.6.3.bb
similarity index 89%
rename from meta-networking/recipes-daemons/postfix/postfix_3.6.2.bb
rename to meta-networking/recipes-daemons/postfix/postfix_3.6.3.bb
index 982544d5ca..98005797d9 100644
--- a/meta-networking/recipes-daemons/postfix/postfix_3.6.2.bb
+++ b/meta-networking/recipes-daemons/postfix/postfix_3.6.3.bb
@@ -15,5 +15,5 @@ SRC_URI += "ftp://ftp.porcupine.org/mirrors/postfix-release/official/postfix-${P
            file://0001-makedefs-add-lnsl-and-lresolv-to-SYSLIBS-by-default.patch \
            file://0007-correct-signature-of-closefrom-API.patch \
            "
-SRC_URI[sha256sum] = "507323d20d7b3f705f49cf8c07d437c6d8090bed07e15a3c0ec405edad54a7d4"
+SRC_URI[sha256sum] = "0f1241d456a0158e0c418abf62c52c2ff83f8f1dcf2fbdd4c40765b67789b1bc"
 UPSTREAM_CHECK_REGEX = "postfix\-(?P<pver>3\.6(\.\d+)+).tar.gz"