diff --git a/composer.json b/composer.json
index 57ec895e..720039f1 100644
--- a/composer.json
+++ b/composer.json
@@ -68,7 +68,7 @@
         "ext-zlib": "*",
         "ezyang/htmlpurifier": "^4.13",
         "maennchen/zipstream-php": "^2.1",
-        "markbaker/complex": "^2.0",
+        "markbaker/complex": "^3.0",
         "markbaker/matrix": "^2.0",
         "psr/http-client": "^1.0",
         "psr/http-factory": "^1.0",
diff --git a/composer.lock b/composer.lock
index fa6bed6f..9bfe87d0 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": "9158fcde13425499acaf0da201637737",
+    "content-hash": "475a2da5744e2426d6201ca5d9c56283",
     "packages": [
         {
             "name": "ezyang/htmlpurifier",
@@ -133,16 +133,16 @@
         },
         {
             "name": "markbaker/complex",
-            "version": "2.0.2",
+            "version": "3.0.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/MarkBaker/PHPComplex.git",
-                "reference": "d18272926d58065140314c01e18ec3dd7ae854ea"
+                "reference": "ab8bc271e404909db09ff2d5ffa1e538085c0f22"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/MarkBaker/PHPComplex/zipball/d18272926d58065140314c01e18ec3dd7ae854ea",
-                "reference": "d18272926d58065140314c01e18ec3dd7ae854ea",
+                "url": "https://api.github.com/repos/MarkBaker/PHPComplex/zipball/ab8bc271e404909db09ff2d5ffa1e538085c0f22",
+                "reference": "ab8bc271e404909db09ff2d5ffa1e538085c0f22",
                 "shasum": ""
             },
             "require": {
@@ -158,51 +158,7 @@
             "autoload": {
                 "psr-4": {
                     "Complex\\": "classes/src/"
-                },
-                "files": [
-                    "classes/src/functions/abs.php",
-                    "classes/src/functions/acos.php",
-                    "classes/src/functions/acosh.php",
-                    "classes/src/functions/acot.php",
-                    "classes/src/functions/acoth.php",
-                    "classes/src/functions/acsc.php",
-                    "classes/src/functions/acsch.php",
-                    "classes/src/functions/argument.php",
-                    "classes/src/functions/asec.php",
-                    "classes/src/functions/asech.php",
-                    "classes/src/functions/asin.php",
-                    "classes/src/functions/asinh.php",
-                    "classes/src/functions/atan.php",
-                    "classes/src/functions/atanh.php",
-                    "classes/src/functions/conjugate.php",
-                    "classes/src/functions/cos.php",
-                    "classes/src/functions/cosh.php",
-                    "classes/src/functions/cot.php",
-                    "classes/src/functions/coth.php",
-                    "classes/src/functions/csc.php",
-                    "classes/src/functions/csch.php",
-                    "classes/src/functions/exp.php",
-                    "classes/src/functions/inverse.php",
-                    "classes/src/functions/ln.php",
-                    "classes/src/functions/log2.php",
-                    "classes/src/functions/log10.php",
-                    "classes/src/functions/negative.php",
-                    "classes/src/functions/pow.php",
-                    "classes/src/functions/rho.php",
-                    "classes/src/functions/sec.php",
-                    "classes/src/functions/sech.php",
-                    "classes/src/functions/sin.php",
-                    "classes/src/functions/sinh.php",
-                    "classes/src/functions/sqrt.php",
-                    "classes/src/functions/tan.php",
-                    "classes/src/functions/tanh.php",
-                    "classes/src/functions/theta.php",
-                    "classes/src/operations/add.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": [
@@ -222,9 +178,9 @@
             ],
             "support": {
                 "issues": "https://github.com/MarkBaker/PHPComplex/issues",
-                "source": "https://github.com/MarkBaker/PHPComplex/tree/2.0.2"
+                "source": "https://github.com/MarkBaker/PHPComplex/tree/3.0.1"
             },
-            "time": "2021-05-24T10:53:30+00:00"
+            "time": "2021-06-29T15:32:53+00:00"
         },
         {
             "name": "markbaker/matrix",
@@ -5210,5 +5166,5 @@
         "ext-zlib": "*"
     },
     "platform-dev": [],
-    "plugin-api-version": "2.0.0"
+    "plugin-api-version": "2.1.0"
 }