diff --git a/package-lock.json b/package-lock.json
index 96f3a46..2ff0ef2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "grademark",
-  "version": "0.2.8",
+  "version": "0.2.9",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -514,9 +514,9 @@
       "dev": true
     },
     "complex.js": {
-      "version": "2.0.11",
-      "resolved": "https://registry.npmjs.org/complex.js/-/complex.js-2.0.11.tgz",
-      "integrity": "sha512-6IArJLApNtdg1P1dFtn3dnyzoZBEF0MwMnrfF1exSBRpZYoy4yieMkpZhQDC0uwctw48vii0CFVyHfpgZ/DfGw=="
+      "version": "2.0.12",
+      "resolved": "https://registry.npmjs.org/complex.js/-/complex.js-2.0.12.tgz",
+      "integrity": "sha512-oQX99fwL6LrTVg82gDY1dIWXy6qZRnRL35N+YhIX0N7tSwsa0KFy6IEMHTNuCW4mP7FS7MEqZ/2I/afzYwPldw=="
     },
     "concat-map": {
       "version": "0.0.1",
@@ -582,7 +582,8 @@
     "decimal.js": {
       "version": "10.2.0",
       "resolved": "https://registry.npmjs.org/decimal.js/-/decimal.js-10.2.0.tgz",
-      "integrity": "sha512-vDPw+rDgn3bZe1+F/pyEwb1oMG2XTlRVgAa6B4KccTEpYgF8w6eQllVbQcfIJnZyvzFtFpxnpGtx8dd7DJp/Rw=="
+      "integrity": "sha512-vDPw+rDgn3bZe1+F/pyEwb1oMG2XTlRVgAa6B4KccTEpYgF8w6eQllVbQcfIJnZyvzFtFpxnpGtx8dd7DJp/Rw==",
+      "dev": true
     },
     "deep-eql": {
       "version": "3.0.1",
@@ -669,9 +670,9 @@
       }
     },
     "fraction.js": {
-      "version": "4.0.12",
-      "resolved": "https://registry.npmjs.org/fraction.js/-/fraction.js-4.0.12.tgz",
-      "integrity": "sha512-8Z1K0VTG4hzYY7kA/1sj4/r1/RWLBD3xwReT/RCrUCbzPszjNQCCsy3ktkU/eaEqX3MYa4pY37a52eiBlPMlhA=="
+      "version": "4.0.13",
+      "resolved": "https://registry.npmjs.org/fraction.js/-/fraction.js-4.0.13.tgz",
+      "integrity": "sha512-E1fz2Xs9ltlUp+qbiyx9wmt2n9dRzPsS11Jtdb8D2o+cC7wr9xkkKsVKJuBX0ST+LVS+LhLO+SbLJNtfWcJvXA=="
     },
     "fromentries": {
       "version": "1.2.1",
@@ -1016,18 +1017,25 @@
       "dev": true
     },
     "mathjs": {
-      "version": "5.10.3",
-      "resolved": "https://registry.npmjs.org/mathjs/-/mathjs-5.10.3.tgz",
-      "integrity": "sha512-ySjg30BC3dYjQm73ILZtwcWzFJde0VU6otkXW/57IjjuYRa3Qaf0Kb8pydEuBZYtqW2OxreAtsricrAmOj3jIw==",
-      "requires": {
-        "complex.js": "2.0.11",
-        "decimal.js": "10.2.0",
-        "escape-latex": "1.2.0",
-        "fraction.js": "4.0.12",
-        "javascript-natural-sort": "0.7.1",
-        "seed-random": "2.2.0",
-        "tiny-emitter": "2.1.0",
-        "typed-function": "1.1.0"
+      "version": "7.5.1",
+      "resolved": "https://registry.npmjs.org/mathjs/-/mathjs-7.5.1.tgz",
+      "integrity": "sha512-H2q/Dq0qxBLMw+G84SSXmGqo/znihuxviGgAQwAcyeFLwK2HksvSGNx4f3dllZF51bWOnu2op60VZxH2Sb51Pw==",
+      "requires": {
+        "complex.js": "^2.0.11",
+        "decimal.js": "^10.2.1",
+        "escape-latex": "^1.2.0",
+        "fraction.js": "^4.0.12",
+        "javascript-natural-sort": "^0.7.1",
+        "seed-random": "^2.2.0",
+        "tiny-emitter": "^2.1.0",
+        "typed-function": "^2.0.0"
+      },
+      "dependencies": {
+        "decimal.js": {
+          "version": "10.2.1",
+          "resolved": "https://registry.npmjs.org/decimal.js/-/decimal.js-10.2.1.tgz",
+          "integrity": "sha512-KaL7+6Fw6i5A2XSnsbhm/6B+NuEA7TZ4vqxnd5tXz9sbKtrN9Srj8ab4vKVdK8YAqZO9P1kg45Y6YLoduPf+kw=="
+        }
       }
     },
     "mersennetwister": {
@@ -1523,9 +1531,9 @@
       "dev": true
     },
     "typed-function": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/typed-function/-/typed-function-1.1.0.tgz",
-      "integrity": "sha512-TuQzwiT4DDg19beHam3E66oRXhyqlyfgjHB/5fcvsRXbfmWPJfto9B4a0TBdTrQAPGlGmXh/k7iUI+WsObgORA=="
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/typed-function/-/typed-function-2.0.0.tgz",
+      "integrity": "sha512-Hhy1Iwo/e4AtLZNK10ewVVcP2UEs408DS35ubP825w/YgSBK1KVLwALvvIG4yX75QJrxjCpcWkzkVRB0BwwYlA=="
     },
     "typedarray-to-buffer": {
       "version": "3.1.5",
diff --git a/package.json b/package.json
index 71dc0ef..7b4f11c 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,7 @@
     "dependencies": {
         "CBuffer": "^2.2.0",
         "dayjs": "^1.8.36",
-        "mathjs": "^5.10.3",
+        "mathjs": "^7.5.1",
         "mersennetwister": "^0.2.3",
         "moment": "^2.28.0",
         "typy": "^3.3.0"