diff --git a/composer.lock b/composer.lock
index 70ef39bc576d..5621600ad7f3 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4019,16 +4019,16 @@
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+            "version": "v4.2.4",
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                 "url": "https://github.com/symfony/debug.git",
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+                "reference": "de73f48977b8eaf7ce22814d66e43a1662cc864f"
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-                "reference": "cf9b2e33f757deb884ce474e06d2647c1c769b65",
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@@ -4071,7 +4071,7 @@
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             "homepage": "https://symfony.com",
-            "time": "2019-01-25T14:35:16+00:00"
+            "time": "2019-03-03T18:11:24+00:00"
         },
         {
             "name": "symfony/event-dispatcher",
@@ -4139,16 +4139,16 @@
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-            "version": "v4.2.3",
+            "version": "v4.2.4",
             "source": {
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                 "url": "https://github.com/symfony/finder.git",
-                "reference": "ef71816cbb264988bb57fe6a73f610888b9aa70c"
+                "reference": "267b7002c1b70ea80db0833c3afe05f0fbde580a"
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-                "reference": "ef71816cbb264988bb57fe6a73f610888b9aa70c",
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@@ -4184,7 +4184,7 @@
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             "homepage": "https://symfony.com",
-            "time": "2019-01-16T20:35:37+00:00"
+            "time": "2019-02-23T15:42:05+00:00"
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         {
             "name": "symfony/http-foundation",
@@ -4643,16 +4643,16 @@
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-            "version": "v4.2.3",
+            "version": "v4.2.4",
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                 "url": "https://github.com/symfony/var-dumper.git",
-                "reference": "223bda89f9be41cf7033eeaf11bc61a280489c17"
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-                "reference": "223bda89f9be41cf7033eeaf11bc61a280489c17",
+                "url": "https://api.github.com/repos/symfony/var-dumper/zipball/9f87189ac10b42edf7fb8edc846f1937c6d157cf",
+                "reference": "9f87189ac10b42edf7fb8edc846f1937c6d157cf",
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             "require": {
@@ -4715,7 +4715,7 @@
                 "debug",
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             ],
-            "time": "2019-01-30T11:44:30+00:00"
+            "time": "2019-02-23T15:17:42+00:00"
         },
         {
             "name": "tijsverkoyen/css-to-inline-styles",
@@ -5004,22 +5004,22 @@
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-            "version": "v3.2.2",
+            "version": "v3.2.3",
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                 "url": "https://github.com/barryvdh/laravel-debugbar.git",
-                "reference": "ba046deba51f3899963c7d09840bf623c4ebf5ed"
+                "reference": "5fcba4cc8e92a230b13b99c1083fc22ba8a5c479"
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-                "reference": "ba046deba51f3899963c7d09840bf623c4ebf5ed",
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+                "reference": "5fcba4cc8e92a230b13b99c1083fc22ba8a5c479",
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             "require": {
-                "illuminate/routing": "5.5.x|5.6.x|5.7.x",
-                "illuminate/session": "5.5.x|5.6.x|5.7.x",
-                "illuminate/support": "5.5.x|5.6.x|5.7.x",
+                "illuminate/routing": "5.5.x|5.6.x|5.7.x|5.8.x",
+                "illuminate/session": "5.5.x|5.6.x|5.7.x|5.8.x",
+                "illuminate/support": "5.5.x|5.6.x|5.7.x|5.8.x",
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                 "php": ">=7.0",
                 "symfony/debug": "^3|^4",
@@ -5068,7 +5068,7 @@
                 "profiler",
                 "webprofiler"
             ],
-            "time": "2019-02-04T10:23:43+00:00"
+            "time": "2019-02-26T18:01:54+00:00"
         },
         {
             "name": "doctrine/instantiator",