diff --git a/composer.lock b/composer.lock
index 73904310..e5fc3237 100644
--- a/composer.lock
+++ b/composer.lock
@@ -3792,15 +3792,15 @@
         },
         {
             "name": "wpackagist-plugin/wp-mail-smtp",
-            "version": "4.1.1",
+            "version": "4.3.0",
             "source": {
                 "type": "svn",
                 "url": "https://plugins.svn.wordpress.org/wp-mail-smtp/",
-                "reference": "tags/4.1.1"
+                "reference": "tags/4.3.0"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://downloads.wordpress.org/plugin/wp-mail-smtp.4.1.1.zip"
+                "url": "https://downloads.wordpress.org/plugin/wp-mail-smtp.4.3.0.zip"
             },
             "require": {
                 "composer/installers": "^1.0 || ^2.0"