diff --git a/symfony-3.0/composer.json b/symfony-3.0/composer.json
index 2308552..1445cd2 100644
--- a/symfony-3.0/composer.json
+++ b/symfony-3.0/composer.json
@@ -18,7 +18,7 @@
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-        "symfony/symfony": "3.0.*",
+        "symfony/symfony": "3.4.*",
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         "doctrine/doctrine-bundle": "^1.6",
         "doctrine/doctrine-cache-bundle": "^1.2",
diff --git a/symfony-3.0/composer.lock b/symfony-3.0/composer.lock
index eac568f..80c31be 100644
--- a/symfony-3.0/composer.lock
+++ b/symfony-3.0/composer.lock
@@ -4,7 +4,7 @@
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@@ -128,6 +128,9 @@
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         },
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@@ -198,6 +201,10 @@
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+            "support": {
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@@ -264,6 +271,9 @@
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@@ -337,6 +347,10 @@
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                 "spl"
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+            "support": {
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+                "source": "https://github.com/doctrine/common/tree/2.6"
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@@ -648,6 +662,9 @@
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+            "support": {
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@@ -762,6 +779,10 @@
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@@ -840,6 +861,67 @@
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+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
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+                    "homepage": "https://www.php-fig.org/"
+                }
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+                "http-link",
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+                "psr",
+                "psr-13",
+                "rest"
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+                "source": "https://github.com/php-fig/link-util/tree/1.1.2"
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@@ -943,16 +1025,16 @@
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@@ -1016,27 +1093,41 @@
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+            "support": {
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+                "source": "https://github.com/Seldaek/monolog/tree/1.27.1"
+            },
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+                "phpunit/phpunit": "*"
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@@ -1065,20 +1156,179 @@
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@@ -1102,7 +1352,7 @@
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@@ -1112,7 +1362,61 @@
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-            "time": "2020-03-23T09:12:05+00:00"
+            "support": {
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+            "time": "2021-05-03T11:20:27+00:00"
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+            "version": "1.0.1",
+            "source": {
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+                "url": "https://github.com/php-fig/simple-cache.git",
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+            "autoload": {
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+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
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+            "authors": [
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+                    "name": "PHP-FIG",
+                    "homepage": "http://www.php-fig.org/"
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+            "description": "Common interfaces for simple caching",
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+                "cache",
+                "caching",
+                "psr",
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+            "support": {
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@@ -1396,18 +1700,95 @@
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+                "url": "https://github.com/symfony/polyfill-apcu.git",
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+            "notification-url": "https://packagist.org/downloads/",
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+                    "email": "p@tchwork.com"
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+                    "homepage": "https://symfony.com/contributors"
+                }
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+            "homepage": "https://symfony.com",
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@@ -1419,16 +1800,20 @@
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@@ -1452,20 +1837,37 @@
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