diff --git a/composer.lock b/composer.lock
index 8806a544..419a1bc0 100644
--- a/composer.lock
+++ b/composer.lock
@@ -60,25 +60,26 @@
         },
         {
             "name": "brick/math",
-            "version": "0.8.14",
+            "version": "0.8.15",
             "source": {
                 "type": "git",
                 "url": "https://github.com/brick/math.git",
-                "reference": "6f7a46b5c3d487b277f38fbd17df57d348cace8a"
+                "reference": "9b08d412b9da9455b210459ff71414de7e6241cd"
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-                "url": "https://api.github.com/repos/brick/math/zipball/6f7a46b5c3d487b277f38fbd17df57d348cace8a",
-                "reference": "6f7a46b5c3d487b277f38fbd17df57d348cace8a",
+                "url": "https://api.github.com/repos/brick/math/zipball/9b08d412b9da9455b210459ff71414de7e6241cd",
+                "reference": "9b08d412b9da9455b210459ff71414de7e6241cd",
                 "shasum": ""
             },
             "require": {
-                "php": ">=7.1"
+                "ext-json": "*",
+                "php": "^7.1|^8.0"
             },
             "require-dev": {
-                "php-coveralls/php-coveralls": "2.*",
-                "phpunit/phpunit": "7.*",
-                "vimeo/psalm": "3.*"
+                "php-coveralls/php-coveralls": "^2.2",
+                "phpunit/phpunit": "^7.5.15|^8.5",
+                "vimeo/psalm": "^3.5"
             },
             "type": "library",
             "autoload": {
@@ -101,7 +102,7 @@
                 "brick",
                 "math"
             ],
-            "time": "2020-02-17T13:57:43+00:00"
+            "time": "2020-04-15T15:59:35+00:00"
         },
         {
             "name": "dnoegel/php-xdg-base-dir",
@@ -690,16 +691,16 @@
         },
         {
             "name": "laravel/framework",
-            "version": "v7.5.2",
+            "version": "v7.6.2",
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                 "type": "git",
                 "url": "https://github.com/laravel/framework.git",
-                "reference": "3a3b3f7fea69813f5a03449c6314bfb42c3ccf78"
+                "reference": "695be25d84b5cedd0026c428d4e9697fe8cd06f9"
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-                "reference": "3a3b3f7fea69813f5a03449c6314bfb42c3ccf78",
+                "url": "https://api.github.com/repos/laravel/framework/zipball/695be25d84b5cedd0026c428d4e9697fe8cd06f9",
+                "reference": "695be25d84b5cedd0026c428d4e9697fe8cd06f9",
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             "require": {
@@ -837,7 +838,7 @@
                 "framework",
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-            "time": "2020-04-08T15:54:18+00:00"
+            "time": "2020-04-15T20:57:47+00:00"
         },
         {
             "name": "laravel/tinker",
@@ -1015,16 +1016,16 @@
         },
         {
             "name": "league/commonmark",
-            "version": "1.3.3",
+            "version": "1.3.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/thephpleague/commonmark.git",
-                "reference": "5a67afc2572ec6d430526cdc9c637ef124812389"
+                "reference": "dd3261eb9a322e009fa5d96d19b9ae19708ce04b"
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             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/thephpleague/commonmark/zipball/5a67afc2572ec6d430526cdc9c637ef124812389",
-                "reference": "5a67afc2572ec6d430526cdc9c637ef124812389",
+                "url": "https://api.github.com/repos/thephpleague/commonmark/zipball/dd3261eb9a322e009fa5d96d19b9ae19708ce04b",
+                "reference": "dd3261eb9a322e009fa5d96d19b9ae19708ce04b",
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             },
             "require": {
@@ -1085,7 +1086,7 @@
                 "md",
                 "parser"
             ],
-            "time": "2020-04-05T16:01:48+00:00"
+            "time": "2020-04-13T20:52:18+00:00"
         },
         {
             "name": "league/flysystem",
@@ -3660,16 +3661,16 @@
         },
         {
             "name": "vlucas/phpdotenv",
-            "version": "v4.1.3",
+            "version": "v4.1.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/vlucas/phpdotenv.git",
-                "reference": "88f7acc95150bca002a498899f8b52f318e444c2"
+                "reference": "feb6dad5ae24b1380827aee1629b730080fde500"
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             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/vlucas/phpdotenv/zipball/88f7acc95150bca002a498899f8b52f318e444c2",
-                "reference": "88f7acc95150bca002a498899f8b52f318e444c2",
+                "url": "https://api.github.com/repos/vlucas/phpdotenv/zipball/feb6dad5ae24b1380827aee1629b730080fde500",
+                "reference": "feb6dad5ae24b1380827aee1629b730080fde500",
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             "require": {
@@ -3720,7 +3721,7 @@
                 "env",
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             ],
-            "time": "2020-03-27T23:37:15+00:00"
+            "time": "2020-04-12T15:20:09+00:00"
         },
         {
             "name": "voku/portable-ascii",