diff --git a/phpBB/composer.lock b/phpBB/composer.lock
index d5131bce58..83ba3f7c7f 100644
--- a/phpBB/composer.lock
+++ b/phpBB/composer.lock
@@ -775,19 +775,20 @@
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-            "version": "v1.1.3",
+            "version": "v1.1.4",
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                 "url": "https://github.com/marc1706/fast-image-size.git",
-                "reference": "5f7e8377746524e2b8a49a631c1fc9afeb9d8bee"
+                "reference": "c4ded0223a4e49ae45a2183a69f6afac5baf7250"
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-                "url": "https://api.github.com/repos/marc1706/fast-image-size/zipball/5f7e8377746524e2b8a49a631c1fc9afeb9d8bee",
-                "reference": "5f7e8377746524e2b8a49a631c1fc9afeb9d8bee",
+                "url": "https://api.github.com/repos/marc1706/fast-image-size/zipball/c4ded0223a4e49ae45a2183a69f6afac5baf7250",
+                "reference": "c4ded0223a4e49ae45a2183a69f6afac5baf7250",
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             },
             "require": {
+                "ext-mbstring": "*",
                 "php": ">=5.3.0"
             },
             "require-dev": {
@@ -822,7 +823,7 @@
                 "php",
                 "size"
             ],
-            "time": "2017-03-26 12:48:28"
+            "time": "2017-10-23 18:52:01"
         },
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             "name": "ocramius/proxy-manager",
@@ -1142,16 +1143,16 @@
         },
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             "name": "s9e/text-formatter",
-            "version": "0.11.0",
+            "version": "0.11.2",
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                 "type": "git",
                 "url": "https://github.com/s9e/TextFormatter.git",
-                "reference": "664b3eaf52baaae4d93548f5e20246fa5942b2b9"
+                "reference": "735a56076e29348d838ce6c2658996daae86718f"
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-                "url": "https://api.github.com/repos/s9e/TextFormatter/zipball/664b3eaf52baaae4d93548f5e20246fa5942b2b9",
-                "reference": "664b3eaf52baaae4d93548f5e20246fa5942b2b9",
+                "url": "https://api.github.com/repos/s9e/TextFormatter/zipball/735a56076e29348d838ce6c2658996daae86718f",
+                "reference": "735a56076e29348d838ce6c2658996daae86718f",
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@@ -1203,7 +1204,7 @@
                 "parser",
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-            "time": "2017-08-04 23:06:38"
+            "time": "2017-10-02 16:58:51"
         },
         {
             "name": "seld/cli-prompt",
@@ -1905,16 +1906,16 @@
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             "name": "symfony/polyfill-mbstring",
-            "version": "v1.4.0",
+            "version": "v1.6.0",
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                 "url": "https://github.com/symfony/polyfill-mbstring.git",
-                "reference": "f29dca382a6485c3cbe6379f0c61230167681937"
+                "reference": "2ec8b39c38cb16674bbf3fea2b6ce5bf117e1296"
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-                "reference": "f29dca382a6485c3cbe6379f0c61230167681937",
+                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/2ec8b39c38cb16674bbf3fea2b6ce5bf117e1296",
+                "reference": "2ec8b39c38cb16674bbf3fea2b6ce5bf117e1296",
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@@ -1926,7 +1927,7 @@
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+                    "dev-master": "1.6-dev"
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             "autoload": {
@@ -1960,7 +1961,7 @@
                 "portable",
                 "shim"
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-            "time": "2017-06-09 14:24:12"
+            "time": "2017-10-11 12:05:26"
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             "name": "symfony/process",
@@ -2287,16 +2288,16 @@
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             "name": "twig/twig",
-            "version": "v1.34.4",
+            "version": "v1.35.0",
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                 "type": "git",
                 "url": "https://github.com/twigphp/Twig.git",
-                "reference": "f878bab48edb66ad9c6ed626bf817f60c6c096ee"
+                "reference": "daa657073e55b0a78cce8fdd22682fddecc6385f"
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-                "url": "https://api.github.com/repos/twigphp/Twig/zipball/f878bab48edb66ad9c6ed626bf817f60c6c096ee",
-                "reference": "f878bab48edb66ad9c6ed626bf817f60c6c096ee",
+                "url": "https://api.github.com/repos/twigphp/Twig/zipball/daa657073e55b0a78cce8fdd22682fddecc6385f",
+                "reference": "daa657073e55b0a78cce8fdd22682fddecc6385f",
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@@ -2310,7 +2311,7 @@
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+                    "dev-master": "1.35-dev"
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@@ -2348,7 +2349,7 @@
             "keywords": [
                 "templating"
             ],
-            "time": "2017-07-04 13:19:31"
+            "time": "2017-09-27 18:06:46"
         },
         {
             "name": "zendframework/zend-code",
@@ -2901,22 +2902,22 @@
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             "name": "phpspec/prophecy",
-            "version": "v1.7.0",
+            "version": "v1.7.2",
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                 "url": "https://github.com/phpspec/prophecy.git",
-                "reference": "93d39f1f7f9326d746203c7c056f300f7f126073"
+                "reference": "c9b8c6088acd19d769d4cc0ffa60a9fe34344bd6"
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-                "reference": "93d39f1f7f9326d746203c7c056f300f7f126073",
+                "url": "https://api.github.com/repos/phpspec/prophecy/zipball/c9b8c6088acd19d769d4cc0ffa60a9fe34344bd6",
+                "reference": "c9b8c6088acd19d769d4cc0ffa60a9fe34344bd6",
                 "shasum": ""
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             "require": {
                 "doctrine/instantiator": "^1.0.2",
                 "php": "^5.3|^7.0",
-                "phpdocumentor/reflection-docblock": "^2.0|^3.0.2",
+                "phpdocumentor/reflection-docblock": "^2.0|^3.0.2|^4.0",
                 "sebastian/comparator": "^1.1|^2.0",
                 "sebastian/recursion-context": "^1.0|^2.0|^3.0"
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@@ -2927,7 +2928,7 @@
             "type": "library",
             "extra": {
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-                    "dev-master": "1.6.x-dev"
+                    "dev-master": "1.7.x-dev"
                 }
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             "autoload": {
@@ -2960,7 +2961,7 @@
                 "spy",
                 "stub"
             ],
-            "time": "2017-03-02 20:05:34"
+            "time": "2017-09-04 11:05:03"
         },
         {
             "name": "phpunit/dbunit",