diff --git a/composer.json b/composer.json
index 720039f1..dff99d7e 100644
--- a/composer.json
+++ b/composer.json
@@ -69,7 +69,7 @@
         "ezyang/htmlpurifier": "^4.13",
         "maennchen/zipstream-php": "^2.1",
         "markbaker/complex": "^3.0",
-        "markbaker/matrix": "^2.0",
+        "markbaker/matrix": "^3.0",
         "psr/http-client": "^1.0",
         "psr/http-factory": "^1.0",
         "psr/simple-cache": "^1.0"
diff --git a/composer.lock b/composer.lock
index 9bfe87d0..7cbf16c6 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": "475a2da5744e2426d6201ca5d9c56283",
+    "content-hash": "08bcc40376dc4b219b21d172e40c622d",
     "packages": [
         {
             "name": "ezyang/htmlpurifier",
@@ -184,16 +184,16 @@
         },
         {
             "name": "markbaker/matrix",
-            "version": "2.1.3",
+            "version": "3.0.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/MarkBaker/PHPMatrix.git",
-                "reference": "174395a901b5ba0925f1d790fa91bab531074b61"
+                "reference": "c66aefcafb4f6c269510e9ac46b82619a904c576"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/MarkBaker/PHPMatrix/zipball/174395a901b5ba0925f1d790fa91bab531074b61",
-                "reference": "174395a901b5ba0925f1d790fa91bab531074b61",
+                "url": "https://api.github.com/repos/MarkBaker/PHPMatrix/zipball/c66aefcafb4f6c269510e9ac46b82619a904c576",
+                "reference": "c66aefcafb4f6c269510e9ac46b82619a904c576",
                 "shasum": ""
             },
             "require": {
@@ -213,25 +213,7 @@
             "autoload": {
                 "psr-4": {
                     "Matrix\\": "classes/src/"
-                },
-                "files": [
-                    "classes/src/Functions/adjoint.php",
-                    "classes/src/Functions/antidiagonal.php",
-                    "classes/src/Functions/cofactors.php",
-                    "classes/src/Functions/determinant.php",
-                    "classes/src/Functions/diagonal.php",
-                    "classes/src/Functions/identity.php",
-                    "classes/src/Functions/inverse.php",
-                    "classes/src/Functions/minors.php",
-                    "classes/src/Functions/trace.php",
-                    "classes/src/Functions/transpose.php",
-                    "classes/src/Operations/add.php",
-                    "classes/src/Operations/directsum.php",
-                    "classes/src/Operations/subtract.php",
-                    "classes/src/Operations/multiply.php",
-                    "classes/src/Operations/divideby.php",
-                    "classes/src/Operations/divideinto.php"
-                ]
+                }
             },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
@@ -252,9 +234,9 @@
             ],
             "support": {
                 "issues": "https://github.com/MarkBaker/PHPMatrix/issues",
-                "source": "https://github.com/MarkBaker/PHPMatrix/tree/2.1.3"
+                "source": "https://github.com/MarkBaker/PHPMatrix/tree/3.0.0"
             },
-            "time": "2021-05-25T15:42:17+00:00"
+            "time": "2021-07-01T19:01:15+00:00"
         },
         {
             "name": "myclabs/php-enum",