diff --git a/.github/workflows/test_set_2.yml b/.github/workflows/test_set_2.yml
index 6756630..a9cfe92 100644
--- a/.github/workflows/test_set_2.yml
+++ b/.github/workflows/test_set_2.yml
@@ -17,7 +17,7 @@ jobs:
     if: github.repository_owner == 'hwdsl2'
     strategy:
       matrix:
-        os_version: ["ubuntu:22.04", "ubuntu:20.04", "ubuntu:18.04", "debian:12", "debian:11", "debian:10", "alpine:3.17", "alpine:3.18"]
+        os_version: ["ubuntu:22.04", "ubuntu:20.04", "ubuntu:18.04", "debian:12", "debian:11", "debian:10", "alpine:3.17", "alpine:3.18", "alpine:3.19"]
       fail-fast: false
     container:
       image: ${{ matrix.os_version }}
diff --git a/extras/ikev2setup.sh b/extras/ikev2setup.sh
index 323e520..12b9614 100755
--- a/extras/ikev2setup.sh
+++ b/extras/ikev2setup.sh
@@ -96,8 +96,8 @@ EOF
     esac
     if [ "$os_type" = "alpine" ]; then
       os_ver=$(. /etc/os-release && printf '%s' "$VERSION_ID" | cut -d '.' -f 1,2)
-      if [ "$os_ver" != "3.17" ] && [ "$os_ver" != "3.18" ]; then
-        exiterr "This script only supports Alpine Linux 3.17/3.18."
+      if [ "$os_ver" != "3.17" ] && [ "$os_ver" != "3.18" ] && [ "$os_ver" != "3.19" ]; then
+        exiterr "This script only supports Alpine Linux 3.17/3.18/3.19."
       fi
     else
       os_ver=$(sed 's/\..*//' /etc/debian_version | tr -dc 'A-Za-z0-9')
diff --git a/extras/vpnupgrade.sh b/extras/vpnupgrade.sh
index daab388..86c8518 100755
--- a/extras/vpnupgrade.sh
+++ b/extras/vpnupgrade.sh
@@ -90,8 +90,8 @@ EOF
     esac
     if [ "$os_type" = "alpine" ]; then
       os_ver=$(. /etc/os-release && printf '%s' "$VERSION_ID" | cut -d '.' -f 1,2)
-      if [ "$os_ver" != "3.17" ] && [ "$os_ver" != "3.18" ]; then
-        exiterr "This script only supports Alpine Linux 3.17/3.18."
+      if [ "$os_ver" != "3.17" ] && [ "$os_ver" != "3.18" ] && [ "$os_ver" != "3.19" ]; then
+        exiterr "This script only supports Alpine Linux 3.17/3.18/3.19."
       fi
     else
       os_ver=$(sed 's/\..*//' /etc/debian_version | tr -dc 'A-Za-z0-9')
diff --git a/extras/vpnupgrade_alpine.sh b/extras/vpnupgrade_alpine.sh
index c3faf32..b5ac12d 100755
--- a/extras/vpnupgrade_alpine.sh
+++ b/extras/vpnupgrade_alpine.sh
@@ -51,8 +51,8 @@ check_os() {
       ;;
   esac
   os_ver=$(. /etc/os-release && printf '%s' "$VERSION_ID" | cut -d '.' -f 1,2)
-  if [ "$os_ver" != "3.17" ] && [ "$os_ver" != "3.18" ]; then
-    exiterr "This script only supports Alpine Linux 3.17/3.18."
+  if [ "$os_ver" != "3.17" ] && [ "$os_ver" != "3.18" ] && [ "$os_ver" != "3.19" ]; then
+    exiterr "This script only supports Alpine Linux 3.17/3.18/3.19."
   fi
 }
 
diff --git a/vpnsetup.sh b/vpnsetup.sh
index cfe33b6..085d515 100755
--- a/vpnsetup.sh
+++ b/vpnsetup.sh
@@ -122,8 +122,8 @@ EOF
     esac
     if [ "$os_type" = "alpine" ]; then
       os_ver=$(. /etc/os-release && printf '%s' "$VERSION_ID" | cut -d '.' -f 1,2)
-      if [ "$os_ver" != "3.17" ] && [ "$os_ver" != "3.18" ]; then
-        exiterr "This script only supports Alpine Linux 3.17/3.18."
+      if [ "$os_ver" != "3.17" ] && [ "$os_ver" != "3.18" ] && [ "$os_ver" != "3.19" ]; then
+        exiterr "This script only supports Alpine Linux 3.17/3.18/3.19."
       fi
     else
       os_ver=$(sed 's/\..*//' /etc/debian_version | tr -dc 'A-Za-z0-9')
diff --git a/vpnsetup_alpine.sh b/vpnsetup_alpine.sh
index f029612..0331921 100755
--- a/vpnsetup_alpine.sh
+++ b/vpnsetup_alpine.sh
@@ -70,8 +70,8 @@ check_os() {
       ;;
   esac
   os_ver=$(. /etc/os-release && printf '%s' "$VERSION_ID" | cut -d '.' -f 1,2)
-  if [ "$os_ver" != "3.17" ] && [ "$os_ver" != "3.18" ]; then
-    exiterr "This script only supports Alpine Linux 3.17/3.18."
+  if [ "$os_ver" != "3.17" ] && [ "$os_ver" != "3.18" ] && [ "$os_ver" != "3.19" ]; then
+    exiterr "This script only supports Alpine Linux 3.17/3.18/3.19."
   fi
 }