5 files changed, 5 insertions, 3 deletions
diff --git a/src/Symfony/Bridge/PhpUnit/composer.json b/src/Symfony/Bridge/PhpUnit/composer.json
index 6d06cb3..da2e101 100644
--- a/src/Symfony/Bridge/PhpUnit/composer.json
+++ b/src/Symfony/Bridge/PhpUnit/composer.json
@@ -24,7 +24,7 @@
         "symfony/error-handler": "For tracking deprecated interfaces usages at runtime with DebugClassLoader"
     },
     "conflict": {
-        "phpunit/phpunit": "<4.8.35|<5.4.3,>=5.0"
+        "phpunit/phpunit": "<4.8.35|<5.4.3,>=5.0|<6.4,>=6.0"
     },
     "autoload": {
         "files": [ "bootstrap.php" ],
diff --git a/src/Symfony/Bundle/SecurityBundle/composer.json b/src/Symfony/Bundle/SecurityBundle/composer.json
index e503124..6ccf682 100644
--- a/src/Symfony/Bundle/SecurityBundle/composer.json
+++ b/src/Symfony/Bundle/SecurityBundle/composer.json
@@ -24,7 +24,7 @@
         "symfony/security-core": "^4.4",
         "symfony/security-csrf": "^4.2|^5.0",
         "symfony/security-guard": "^4.2|^5.0",
-        "symfony/security-http": "^4.4.3"
+        "symfony/security-http": "^4.4.5"
     },
     "require-dev": {
         "doctrine/doctrine-bundle": "^1.5|^2.0",
diff --git a/src/Symfony/Component/ErrorHandler/composer.json b/src/Symfony/Component/ErrorHandler/composer.json
index cfe822f..614bd4f 100644
--- a/src/Symfony/Component/ErrorHandler/composer.json
+++ b/src/Symfony/Component/ErrorHandler/composer.json
@@ -18,7 +18,7 @@
     "require": {
         "php": "^7.1.3",
         "psr/log": "~1.0",
-        "symfony/debug": "^4.4",
+        "symfony/debug": "^4.4.5",
         "symfony/var-dumper": "^4.4|^5.0"
     },
     "require-dev": {
diff --git a/src/Symfony/Component/Serializer/composer.json b/src/Symfony/Component/Serializer/composer.json
index cf48812..a28d18f 100644
--- a/src/Symfony/Component/Serializer/composer.json
+++ b/src/Symfony/Component/Serializer/composer.json
@@ -28,6 +28,7 @@
         "symfony/dependency-injection": "^3.4|^4.0|^5.0",
         "symfony/error-handler": "^4.4|^5.0",
         "symfony/http-foundation": "^3.4|^4.0|^5.0",
+        "symfony/mime": "^4.4|^5.0",
         "symfony/property-access": "^3.4|^4.0|^5.0",
         "symfony/property-info": "^3.4.13|~4.0|^5.0",
         "symfony/validator": "^3.4|^4.0|^5.0",
diff --git a/src/Symfony/Component/Validator/composer.json b/src/Symfony/Component/Validator/composer.json
index fec8337..230dfab 100644
--- a/src/Symfony/Component/Validator/composer.json
+++ b/src/Symfony/Component/Validator/composer.json
@@ -31,6 +31,7 @@
         "symfony/dependency-injection": "^3.4|^4.0|^5.0",
         "symfony/expression-language": "^3.4|^4.0|^5.0",
         "symfony/cache": "^3.4|^4.0|^5.0",
+        "symfony/mime": "^4.4|^5.0",
         "symfony/property-access": "^3.4|^4.0|^5.0",
         "symfony/property-info": "^3.4|^4.0|^5.0",
         "symfony/translation": "^4.2",