diff --git a/composer.json b/composer.json
index 7065906ec1c77c74d94207d4cd6994bd90ee6c0f..d5046ea3463e3f96078489ec6b5a9b15dff856eb 100644
--- a/composer.json
+++ b/composer.json
@@ -19,7 +19,7 @@
         "jasig/phpcas": "1.3.5",
         "cap60552/php-sip2": "1.0.0",
         "ahand/mobileesp": "dev-master",
-        "matthiasmullie/minify": "1.3.45",
+        "matthiasmullie/minify": "1.3.53",
         "ocramius/proxy-manager": "1.0.2",
         "oyejorge/less.php": "1.7.0.14",
         "pear/file_marc": "1.1.5",
@@ -27,7 +27,7 @@
         "pear/validate_ispn": "dev-master",
         "phing/phing": "2.16.0",
         "serialssolutions/summon": "1.1.0",
-        "symfony/yaml": "3.3.2",
+        "symfony/yaml": "3.3.10",
         "swagger-api/swagger-ui": "2.2.10",
         "vufind-org/vufindcode": "1.0.3",
         "vufind-org/vufindharvest": "2.3.0",
@@ -38,13 +38,13 @@
         "zendframework/zend-code": "2.6.3",
         "zendframework/zend-config": "2.6.0",
         "zendframework/zend-console": "2.6.0",
-        "zendframework/zend-crypt": "3.2.0",
+        "zendframework/zend-crypt": "3.2.1",
         "zendframework/zend-db": "2.8.2",
         "zendframework/zend-dom": "2.6.0",
         "zendframework/zend-escaper": "2.5.2",
         "zendframework/zend-eventmanager": "3.2.0",
         "zendframework/zend-feed": "2.8.0",
-        "zendframework/zend-http": "2.6.0",
+        "zendframework/zend-http": "2.7.0",
         "zendframework/zend-i18n": "2.7.4",
         "zendframework/zend-loader": "2.5.1",
         "zendframework/zend-log": "2.9.2",
@@ -73,7 +73,7 @@
         "friendsofphp/php-cs-fixer": "1.11.6",
         "phploc/phploc": "4.0.0",
         "phpmd/phpmd": "2.6.0",
-        "phpunit/phpunit": "5.7.15",
+        "phpunit/phpunit": "5.7.23",
         "sebastian/phpcpd": "2.0.4",
         "squizlabs/php_codesniffer": "2.8.1"
     },
diff --git a/composer.lock b/composer.lock
index e437f2dff74d51ce267bccd1bbc5121931c55bcb..7e8e449caa7b6cc70140ebd2b8c14b40cd51e117 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "content-hash": "08e482b6fec1d2424b32c9be1f671892",
+    "content-hash": "7c0daace37c9f5a977d2e56498140d40",
     "packages": [
         {
             "name": "aferrandini/phpqrcode",
@@ -345,16 +345,16 @@
         },
         {
             "name": "matthiasmullie/minify",
-            "version": "1.3.45",
+            "version": "1.3.53",
             "source": {
                 "type": "git",
                 "url": "https://github.com/matthiasmullie/minify.git",
-                "reference": "09b83e9dbdc50cf6734c6a9652a54891c0651998"
+                "reference": "7d79f1188e749ad09a075b0487aa58b11bac86d8"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/matthiasmullie/minify/zipball/09b83e9dbdc50cf6734c6a9652a54891c0651998",
-                "reference": "09b83e9dbdc50cf6734c6a9652a54891c0651998",
+                "url": "https://api.github.com/repos/matthiasmullie/minify/zipball/7d79f1188e749ad09a075b0487aa58b11bac86d8",
+                "reference": "7d79f1188e749ad09a075b0487aa58b11bac86d8",
                 "shasum": ""
             },
             "require": {
@@ -363,7 +363,7 @@
                 "php": ">=5.3.0"
             },
             "require-dev": {
-                "friendsofphp/php-cs-fixer": "~1.0",
+                "friendsofphp/php-cs-fixer": "~2.0",
                 "matthiasmullie/scrapbook": "~1.0",
                 "phpunit/phpunit": "~4.8"
             },
@@ -392,7 +392,7 @@
                     "role": "Developer"
                 }
             ],
-            "description": "CSS & JS minifier",
+            "description": "CSS & JavaScript minifier, in PHP. Removes whitespace, strips comments, combines files (incl. @import statements and small assets in CSS files), and optimizes/shortens a few common programming patterns.",
             "homepage": "http://www.minifier.org",
             "keywords": [
                 "JS",
@@ -401,7 +401,7 @@
                 "minifier",
                 "minify"
             ],
-            "time": "2017-06-13T15:54:31+00:00"
+            "time": "2017-10-13T15:44:30+00:00"
         },
         {
             "name": "matthiasmullie/path-converter",
@@ -1441,20 +1441,20 @@
         },
         {
             "name": "symfony/yaml",
-            "version": "v3.3.2",
+            "version": "v3.3.10",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/yaml.git",
-                "reference": "9752a30000a8ca9f4b34b5227d15d0101b96b063"
+                "reference": "8c7bf1e7d5d6b05a690b715729cb4cd0c0a99c46"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/yaml/zipball/9752a30000a8ca9f4b34b5227d15d0101b96b063",
-                "reference": "9752a30000a8ca9f4b34b5227d15d0101b96b063",
+                "url": "https://api.github.com/repos/symfony/yaml/zipball/8c7bf1e7d5d6b05a690b715729cb4cd0c0a99c46",
+                "reference": "8c7bf1e7d5d6b05a690b715729cb4cd0c0a99c46",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.5.9"
+                "php": "^5.5.9|>=7.0.8"
             },
             "require-dev": {
                 "symfony/console": "~2.8|~3.0"
@@ -1492,7 +1492,7 @@
             ],
             "description": "Symfony Yaml Component",
             "homepage": "https://symfony.com",
-            "time": "2017-06-02T22:05:06+00:00"
+            "time": "2017-10-05T14:43:42+00:00"
         },
         {
             "name": "vufind-org/vufindcode",
@@ -1966,16 +1966,16 @@
         },
         {
             "name": "zendframework/zend-crypt",
-            "version": "3.2.0",
+            "version": "3.2.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/zendframework/zend-crypt.git",
-                "reference": "274cdcb77a2165d6aff36b606e9d1c687ba9386c"
+                "reference": "514cef5556bac069e36c2cbded40e529b86bb3f2"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/zendframework/zend-crypt/zipball/274cdcb77a2165d6aff36b606e9d1c687ba9386c",
-                "reference": "274cdcb77a2165d6aff36b606e9d1c687ba9386c",
+                "url": "https://api.github.com/repos/zendframework/zend-crypt/zipball/514cef5556bac069e36c2cbded40e529b86bb3f2",
+                "reference": "514cef5556bac069e36c2cbded40e529b86bb3f2",
                 "shasum": ""
             },
             "require": {
@@ -2013,7 +2013,7 @@
                 "crypt",
                 "zf2"
             ],
-            "time": "2016-12-06T15:33:37+00:00"
+            "time": "2017-07-17T15:46:00+00:00"
         },
         {
             "name": "zendframework/zend-db",
@@ -2467,35 +2467,35 @@
         },
         {
             "name": "zendframework/zend-http",
-            "version": "2.6.0",
+            "version": "2.7.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/zendframework/zend-http.git",
-                "reference": "09f4d279f46d86be63171ff62ee0f79eca878678"
+                "reference": "78aa510c0ea64bfb2aa234f50c4f232c9531acfa"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/zendframework/zend-http/zipball/09f4d279f46d86be63171ff62ee0f79eca878678",
-                "reference": "09f4d279f46d86be63171ff62ee0f79eca878678",
+                "url": "https://api.github.com/repos/zendframework/zend-http/zipball/78aa510c0ea64bfb2aa234f50c4f232c9531acfa",
+                "reference": "78aa510c0ea64bfb2aa234f50c4f232c9531acfa",
                 "shasum": ""
             },
             "require": {
-                "php": "^5.5 || ^7.0",
-                "zendframework/zend-loader": "^2.5",
-                "zendframework/zend-stdlib": "^2.5 || ^3.0",
-                "zendframework/zend-uri": "^2.5",
-                "zendframework/zend-validator": "^2.5"
+                "php": "^5.6 || ^7.0",
+                "zendframework/zend-loader": "^2.5.1",
+                "zendframework/zend-stdlib": "^3.1 || ^2.7.7",
+                "zendframework/zend-uri": "^2.5.2",
+                "zendframework/zend-validator": "^2.10.1"
             },
             "require-dev": {
-                "phpunit/phpunit": "^4.0",
+                "phpunit/phpunit": "^6.4.1 || ^5.7.15",
                 "zendframework/zend-coding-standard": "~1.0.0",
-                "zendframework/zend-config": "^2.5"
+                "zendframework/zend-config": "^3.1 || ^2.6"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.6-dev",
-                    "dev-develop": "2.7-dev"
+                    "dev-master": "2.7-dev",
+                    "dev-develop": "2.8-dev"
                 }
             },
             "autoload": {
@@ -2510,10 +2510,13 @@
             "description": "provides an easy interface for performing Hyper-Text Transfer Protocol (HTTP) requests",
             "homepage": "https://github.com/zendframework/zend-http",
             "keywords": [
+                "ZendFramework",
                 "http",
-                "zf2"
+                "http client",
+                "zend",
+                "zf"
             ],
-            "time": "2017-01-31T14:41:02+00:00"
+            "time": "2017-10-13T12:06:24+00:00"
         },
         {
             "name": "zendframework/zend-hydrator",
@@ -5147,16 +5150,16 @@
         },
         {
             "name": "phpunit/phpunit",
-            "version": "5.7.15",
+            "version": "5.7.23",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit.git",
-                "reference": "b99112aecc01f62acf3d81a3f59646700a1849e5"
+                "reference": "78532d5269d984660080d8e0f4c99c5c2ea65ffe"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/b99112aecc01f62acf3d81a3f59646700a1849e5",
-                "reference": "b99112aecc01f62acf3d81a3f59646700a1849e5",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/78532d5269d984660080d8e0f4c99c5c2ea65ffe",
+                "reference": "78532d5269d984660080d8e0f4c99c5c2ea65ffe",
                 "shasum": ""
             },
             "require": {
@@ -5174,7 +5177,7 @@
                 "phpunit/php-timer": "^1.0.6",
                 "phpunit/phpunit-mock-objects": "^3.2",
                 "sebastian/comparator": "^1.2.4",
-                "sebastian/diff": "~1.2",
+                "sebastian/diff": "^1.4.3",
                 "sebastian/environment": "^1.3.4 || ^2.0",
                 "sebastian/exporter": "~2.0",
                 "sebastian/global-state": "^1.1",
@@ -5225,7 +5228,7 @@
                 "testing",
                 "xunit"
             ],
-            "time": "2017-03-02T15:22:43+00:00"
+            "time": "2017-10-15T06:13:55+00:00"
         },
         {
             "name": "phpunit/phpunit-mock-objects",