diff --git a/doctrine/doctrine-bundle/2.3/manifest.json b/doctrine/doctrine-bundle/2.3/manifest.json
index 995a953a..9516b217 100644
--- a/doctrine/doctrine-bundle/2.3/manifest.json
+++ b/doctrine/doctrine-bundle/2.3/manifest.json
@@ -11,7 +11,7 @@
         "#2": "IMPORTANT: You MUST configure your server version, either here or in config/packages/doctrine.yaml",
         "#3": "",
         "#4": "DATABASE_URL=\"sqlite:///%kernel.project_dir%/var/data.db\"",
-        "#5": "DATABASE_URL=\"mysql://db_user:db_password@127.0.0.1:3306/db_name?serverVersion=5.7\"",
+        "#5": "DATABASE_URL=\"mysql://db_user:db_password@127.0.0.1:3306/db_name?serverVersion=5.7&charset=utf8mb4\"",
         "DATABASE_URL": "postgresql://db_user:db_password@127.0.0.1:5432/db_name?serverVersion=13&charset=utf8"
     },
     "dockerfile": [
diff --git a/doctrine/doctrine-bundle/2.4/manifest.json b/doctrine/doctrine-bundle/2.4/manifest.json
index 9a30802c..407a92cc 100644
--- a/doctrine/doctrine-bundle/2.4/manifest.json
+++ b/doctrine/doctrine-bundle/2.4/manifest.json
@@ -11,7 +11,7 @@
         "#2": "IMPORTANT: You MUST configure your server version, either here or in config/packages/doctrine.yaml",
         "#3": "",
         "#4": "DATABASE_URL=\"sqlite:///%kernel.project_dir%/var/data.db\"",
-        "#5": "DATABASE_URL=\"mysql://db_user:db_password@127.0.0.1:3306/db_name?serverVersion=5.7\"",
+        "#5": "DATABASE_URL=\"mysql://db_user:db_password@127.0.0.1:3306/db_name?serverVersion=5.7&charset=utf8mb4\"",
         "DATABASE_URL": "postgresql://symfony:ChangeMe@127.0.0.1:5432/app?serverVersion=13&charset=utf8"
     },
     "dockerfile": [