diff --git a/cdist/conf/type/__postfix/manifest b/cdist/conf/type/__postfix/manifest
index 1aea53a1..f3616979 100755
--- a/cdist/conf/type/__postfix/manifest
+++ b/cdist/conf/type/__postfix/manifest
@@ -1,6 +1,7 @@
 #!/bin/sh -e
 #
 # 2012-2014 Steven Armstrong (steven-cdist at armstrong.cc)
+# 2019 Nico Schottelius (nico-cdist at schottelius.org)
 #
 # This file is part of cdist.
 #
@@ -22,7 +23,7 @@
 os=$(cat "$__global/explorer/os")
 
 case "$os" in
-   ubuntu|debian|archlinux|suse|scientific|centos|devuan)
+   alpine|ubuntu|debian|archlinux|suse|scientific|centos|devuan)
       __package postfix --state present
    ;;
    *)
diff --git a/cdist/conf/type/__postfix_postconf/explorer/value b/cdist/conf/type/__postfix_postconf/explorer/value
index 17126c94..67dacad8 100755
--- a/cdist/conf/type/__postfix_postconf/explorer/value
+++ b/cdist/conf/type/__postfix_postconf/explorer/value
@@ -22,7 +22,7 @@
 os=$("$__explorer/os")
 
 case "$os" in
-   ubuntu|debian|archlinux|suse|scientific|centos|devuan)
+   alpine|ubuntu|debian|archlinux|suse|scientific|centos|devuan)
       :
    ;;
    *)
diff --git a/cdist/conf/type/__postfix_postconf/gencode-remote b/cdist/conf/type/__postfix_postconf/gencode-remote
index 6df0da7f..279dddd4 100755
--- a/cdist/conf/type/__postfix_postconf/gencode-remote
+++ b/cdist/conf/type/__postfix_postconf/gencode-remote
@@ -1,6 +1,7 @@
 #!/bin/sh -e
 #
 # 2012-2014 Steven Armstrong (steven-cdist at armstrong.cc)
+# 2019 Nico Schottelius (nico-cdist at schottelius.org)
 #
 # This file is part of cdist.
 #
@@ -21,7 +22,7 @@
 os=$(cat "$__global/explorer/os")
 
 case "$os" in
-   ubuntu|debian|archlinux|suse|scientific|centos|devuan)
+   alpine|archlinux|centos|debian|devuan|suse|scientific|ubuntu)
       :
    ;;
    *)
diff --git a/docs/changelog b/docs/changelog
index af8fef8f..556fd42f 100644
--- a/docs/changelog
+++ b/docs/changelog
@@ -3,6 +3,8 @@ Changelog
 
 next:
 	* Type __package_apk: Fix @repo handling in explorer (Nico Schottelius)
+	* Type __postfix: Add alpine support (Nico Schottelius)
+	* Type __postfix_postconf: Add alpine support (Nico Schottelius)
 
 5.0.1: 2019-05-09
 	* Documentation: Add 'Perils of CDIST_ORDER_DEPENDENCY' sub-section (Darko Poljak)