diff --git a/composer.json b/composer.json
index 6cb12efc67dd..a0f0645f6adf 100644
--- a/composer.json
+++ b/composer.json
@@ -67,7 +67,7 @@
         "meebio/omnipay-creditcall": "dev-master",
         "meebio/omnipay-secure-trading": "dev-master",
         "mfauveau/omnipay-pacnet": "~2.0",
-        "mpdf/mpdf": "^6.1",
+        "mpdf/mpdf": "6.1.3",
         "nwidart/laravel-modules": "^1.14",
         "omnipay/2checkout": "dev-master#e9c079c2dde0d7ba461903b3b7bd5caf6dee1248",
         "omnipay/bitpay": "dev-master",
diff --git a/composer.lock b/composer.lock
index 13995b5e5b67..0259d5da7392 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,8 +4,8 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "hash": "ce4160f7ad045f2d76f99f30d8f719f5",
-    "content-hash": "c27b5f0b317314ab549d058742a6565b",
+    "hash": "21e71e6ce0568744f92aca427b7f103b",
+    "content-hash": "a052186eb2c4093936e61fe22d93255f",
     "packages": [
         {
             "name": "agmscode/omnipay-agms",
@@ -1433,12 +1433,12 @@
             "source": {
                 "type": "git",
                 "url": "https://github.com/hillelcoren/omnipay-gocardlessv2.git",
-                "reference": "1aa9e5deb3371d4c186331c4a2e2089bf7583a9e"
+                "reference": "007c29256a4df6e2d149d8a239474f80028e8601"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/hillelcoren/omnipay-gocardlessv2/zipball/1aa9e5deb3371d4c186331c4a2e2089bf7583a9e",
-                "reference": "1aa9e5deb3371d4c186331c4a2e2089bf7583a9e",
+                "url": "https://api.github.com/repos/hillelcoren/omnipay-gocardlessv2/zipball/007c29256a4df6e2d149d8a239474f80028e8601",
+                "reference": "007c29256a4df6e2d149d8a239474f80028e8601",
                 "shasum": ""
             },
             "require": {
@@ -1511,7 +1511,7 @@
             "support": {
                 "source": "https://github.com/hillelcoren/omnipay-gocardlessv2/tree/master"
             },
-            "time": "2017-08-21 09:05:32"
+            "time": "2017-08-21 09:54:55"
         },
         {
             "name": "digitickets/omnipay-realex",
@@ -4854,21 +4854,21 @@
         },
         {
             "name": "mpdf/mpdf",
-            "version": "v6.1.4",
+            "version": "v6.1.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/mpdf/mpdf.git",
-                "reference": "e7310ce53b5c11db1f0b781fe0a69066608ac6e2"
+                "reference": "7f138bf7508eac895ac2c13d2509b056ac7e7e97"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/mpdf/mpdf/zipball/e7310ce53b5c11db1f0b781fe0a69066608ac6e2",
-                "reference": "e7310ce53b5c11db1f0b781fe0a69066608ac6e2",
+                "url": "https://api.github.com/repos/mpdf/mpdf/zipball/7f138bf7508eac895ac2c13d2509b056ac7e7e97",
+                "reference": "7f138bf7508eac895ac2c13d2509b056ac7e7e97",
                 "shasum": ""
             },
             "require": {
                 "ext-mbstring": "*",
-                "php": "^5.4.0 || 7.0.*",
+                "php": ">=5.4.0",
                 "setasign/fpdi": "1.6.*"
             },
             "require-dev": {
@@ -4901,7 +4901,7 @@
                 "php",
                 "utf-8"
             ],
-            "time": "2017-07-09 16:46:12"
+            "time": "2016-12-12 10:42:18"
         },
         {
             "name": "mtdowling/cron-expression",