diff --git a/.env b/.env
index ee3e3ada..33299cbb 100644
--- a/.env
+++ b/.env
@@ -83,5 +83,5 @@ HISTORY_SAVE_REMOVED_DATA=0
 
 
 ###> symfony/mailer ###
-# MAILER_DSN=smtp://localhost
+# MAILER_DSN=null://null
 ###< symfony/mailer ###
diff --git a/symfony.lock b/symfony.lock
index dd5fd36c..74627dcb 100644
--- a/symfony.lock
+++ b/symfony.lock
@@ -561,15 +561,15 @@
         "version": "v4.2.3"
     },
     "symfony/mailer": {
-        "version": "4.3",
+        "version": "5.4",
         "recipe": {
             "repo": "github.com/symfony/recipes",
-            "branch": "master",
+            "branch": "main",
             "version": "4.3",
-            "ref": "bbfc7e27257d3a3f12a6fb0a42540a42d9623a37"
+            "ref": "97a61eabb351d7f6cb7702039bcfe07fe9d7e03c"
         },
         "files": [
-            "./config/packages/mailer.yaml"
+            "config/packages/mailer.yaml"
         ]
     },
     "symfony/maker-bundle": {