diff --git a/vpnsetup_alpine.sh b/vpnsetup_alpine.sh
index 5ef9327..4c9fa12 100755
--- a/vpnsetup_alpine.sh
+++ b/vpnsetup_alpine.sh
@@ -240,7 +240,7 @@ get_helper_scripts() {
 }
 
 get_swan_ver() {
-  SWAN_VER=5.1
+  SWAN_VER=5.2
   base_url="https://github.com/hwdsl2/vpn-extras/releases/download/v1.0.0"
   swan_ver_url="$base_url/v1-$os_type-$os_ver-swanver"
   swan_ver_latest=$(wget -t 2 -T 10 -qO- "$swan_ver_url" | head -n 1)
diff --git a/vpnsetup_amzn.sh b/vpnsetup_amzn.sh
index 8423517..2e1a2db 100755
--- a/vpnsetup_amzn.sh
+++ b/vpnsetup_amzn.sh
@@ -7,7 +7,7 @@
 # The latest version of this script is available at:
 # https://github.com/hwdsl2/setup-ipsec-vpn
 #
-# Copyright (C) 2020-2024 Lin Song <linsongui@gmail.com>
+# Copyright (C) 2020-2025 Lin Song <linsongui@gmail.com>
 #
 # This work is licensed under the Creative Commons Attribution-ShareAlike 3.0
 # Unported License: http://creativecommons.org/licenses/by-sa/3.0/
@@ -258,7 +258,7 @@ get_helper_scripts() {
 }
 
 get_swan_ver() {
-  SWAN_VER=5.1
+  SWAN_VER=5.2
   base_url="https://github.com/hwdsl2/vpn-extras/releases/download/v1.0.0"
   swan_ver_url="$base_url/v1-amzn-2-swanver"
   swan_ver_latest=$(wget -t 2 -T 10 -qO- "$swan_ver_url" | head -n 1)
diff --git a/vpnsetup_centos.sh b/vpnsetup_centos.sh
index e6bf08e..8440412 100755
--- a/vpnsetup_centos.sh
+++ b/vpnsetup_centos.sh
@@ -361,7 +361,7 @@ get_helper_scripts() {
 }
 
 get_swan_ver() {
-  SWAN_VER=5.1
+  SWAN_VER=5.2
   base_url="https://github.com/hwdsl2/vpn-extras/releases/download/v1.0.0"
   swan_ver_url="$base_url/v1-$os_type-$os_ver-swanver"
   swan_ver_latest=$(wget -t 2 -T 10 -qO- "$swan_ver_url" | head -n 1)
diff --git a/vpnsetup_ubuntu.sh b/vpnsetup_ubuntu.sh
index f26223a..26ddeb3 100755
--- a/vpnsetup_ubuntu.sh
+++ b/vpnsetup_ubuntu.sh
@@ -7,7 +7,7 @@
 # The latest version of this script is available at:
 # https://github.com/hwdsl2/setup-ipsec-vpn
 #
-# Copyright (C) 2014-2024 Lin Song <linsongui@gmail.com>
+# Copyright (C) 2014-2025 Lin Song <linsongui@gmail.com>
 # Based on the work of Thomas Sarlandie (Copyright 2012)
 #
 # This work is licensed under the Creative Commons Attribution-ShareAlike 3.0
@@ -321,7 +321,7 @@ get_helper_scripts() {
 }
 
 get_swan_ver() {
-  SWAN_VER=5.1
+  SWAN_VER=5.2
   base_url="https://github.com/hwdsl2/vpn-extras/releases/download/v1.0.0"
   swan_ver_url="$base_url/v1-$os_type-$os_ver-swanver"
   swan_ver_latest=$(wget -t 2 -T 10 -qO- "$swan_ver_url" | head -n 1)