diff --git a/composer.json b/composer.json
index a315183..92a9b86 100644
--- a/composer.json
+++ b/composer.json
@@ -26,7 +26,7 @@
     "c006/yii2-migration-utility": "~2.0.3",
     "2amigos/yii2-date-time-picker-widget": "~1.0",
     "philippfrenzel/yii2fullcalendar": "~3.9.0",
-    "phpoffice/phpspreadsheet": "~1.6.0",
+    "phpoffice/phpspreadsheet": "~1.8.0",
     "wbraganca/yii2-fancytree-widget": "~1.0.1",
     "execut/yii2-widget-bootstraptreeview": "^1.1.6",
     "kartik-v/yii2-date-range": "~1.6.8",
diff --git a/composer.lock b/composer.lock
index 9b82940..2eaeda6 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "46ae858b31419f28768aacfe800c4ff2",
+    "content-hash": "5789160cc46672e17bfcf631e508414a",
     "packages": [
         {
             "name": "2amigos/yii2-date-time-picker-widget",
@@ -3575,30 +3575,29 @@
         },
         {
             "name": "markbaker/matrix",
-            "version": "1.1.4",
+            "version": "1.2.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/MarkBaker/PHPMatrix.git",
-                "reference": "6ea97472b5baf12119b4f31f802835b820dd6d64"
+                "reference": "5348c5a67e3b75cd209d70103f916a93b1f1ed21"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/MarkBaker/PHPMatrix/zipball/6ea97472b5baf12119b4f31f802835b820dd6d64",
-                "reference": "6ea97472b5baf12119b4f31f802835b820dd6d64",
+                "url": "https://api.github.com/repos/MarkBaker/PHPMatrix/zipball/5348c5a67e3b75cd209d70103f916a93b1f1ed21",
+                "reference": "5348c5a67e3b75cd209d70103f916a93b1f1ed21",
                 "shasum": ""
             },
             "require": {
                 "php": "^5.6.0|^7.0.0"
             },
             "require-dev": {
-                "dealerdirect/phpcodesniffer-composer-installer": "^0.4.3",
-                "phpcompatibility/php-compatibility": "^8.0",
-                "phpdocumentor/phpdocumentor": "2.*",
-                "phploc/phploc": "2.*",
-                "phpmd/phpmd": "2.*",
-                "phpunit/phpunit": "^4.8.35|^5.4.0",
-                "sebastian/phpcpd": "2.*",
-                "squizlabs/php_codesniffer": "^3.3.0"
+                "dealerdirect/phpcodesniffer-composer-installer": "dev-master",
+                "phpcompatibility/php-compatibility": "dev-master",
+                "phploc/phploc": "^4",
+                "phpmd/phpmd": "dev-master",
+                "phpunit/phpunit": "^5.7",
+                "sebastian/phpcpd": "^3.0",
+                "squizlabs/php_codesniffer": "^3.0@dev"
             },
             "type": "library",
             "autoload": {
@@ -3641,7 +3640,7 @@
                 "matrix",
                 "vector"
             ],
-            "time": "2018-11-04T22:12:12+00:00"
+            "time": "2019-10-06T11:29:25+00:00"
         },
         {
             "name": "mpdf/mpdf",
@@ -3903,16 +3902,16 @@
         },
         {
             "name": "phpoffice/phpspreadsheet",
-            "version": "1.6.0",
+            "version": "1.8.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/PHPOffice/PhpSpreadsheet.git",
-                "reference": "bf00f0cc5f55c354018f9a9ef15e6e3e1a229051"
+                "reference": "0e6238c69e863b58aeece61e48ea032696c6dccd"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/PHPOffice/PhpSpreadsheet/zipball/bf00f0cc5f55c354018f9a9ef15e6e3e1a229051",
-                "reference": "bf00f0cc5f55c354018f9a9ef15e6e3e1a229051",
+                "url": "https://api.github.com/repos/PHPOffice/PhpSpreadsheet/zipball/0e6238c69e863b58aeece61e48ea032696c6dccd",
+                "reference": "0e6238c69e863b58aeece61e48ea032696c6dccd",
                 "shasum": ""
             },
             "require": {
@@ -3993,7 +3992,7 @@
                 "xls",
                 "xlsx"
             ],
-            "time": "2019-01-02T04:42:54+00:00"
+            "time": "2019-06-30T22:55:25+00:00"
         },
         {
             "name": "psr/log",
@@ -7356,7 +7355,7 @@
                 },
                 {
                     "name": "Gert de Pagter",
-                    "email": "backendtea@gmail.com"
+                    "email": "BackEndTea@gmail.com"
                 }
             ],
             "description": "Symfony polyfill for ctype functions",