diff --git a/package-lock.json b/package-lock.json
index 871d2ea..88c3c20 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2247,9 +2247,9 @@
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-      "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",
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@@ -2405,9 +2405,9 @@
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-      "resolved": "https://registry.npmjs.org/decimal.js/-/decimal.js-10.0.1.tgz",
-      "integrity": "sha512-vklWB5C4Cj423xnaOtsUmAv0/7GqlXIgDv2ZKDyR64OV3OSzGHNx2mk4p/1EKnB5s70k73cIOOEcG9YzF0q4Lw==",
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+      "resolved": "https://registry.npmjs.org/decimal.js/-/decimal.js-10.2.1.tgz",
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@@ -3501,9 +3501,9 @@
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-      "resolved": "https://registry.npmjs.org/fraction.js/-/fraction.js-4.0.10.tgz",
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+      "resolved": "https://registry.npmjs.org/fraction.js/-/fraction.js-4.0.13.tgz",
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@@ -6503,19 +6503,19 @@
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-      "resolved": "https://registry.npmjs.org/mathjs/-/mathjs-5.2.3.tgz",
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+      "resolved": "https://registry.npmjs.org/mathjs/-/mathjs-7.5.1.tgz",
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-        "decimal.js": "10.0.1",
-        "escape-latex": "1.2.0",
-        "fraction.js": "4.0.10",
-        "javascript-natural-sort": "0.7.1",
-        "seed-random": "2.2.0",
-        "tiny-emitter": "2.0.2",
-        "typed-function": "1.1.0"
+        "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"
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@@ -9119,9 +9119,9 @@
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-      "resolved": "https://registry.npmjs.org/tiny-emitter/-/tiny-emitter-2.0.2.tgz",
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+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/tiny-emitter/-/tiny-emitter-2.1.0.tgz",
+      "integrity": "sha512-NB6Dk1A9xgQPMoGqC5CVXn123gWyte215ONT5Pp5a0yt4nlEoO1ZWeCwpncaekPHXO60i47ihFnZPiRPjRMq4Q==",
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@@ -9270,9 +9270,9 @@
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-      "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==",
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diff --git a/package.json b/package.json
index ad0d4d0..c021519 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
     "gulp-eslint": "^5.0.0",
     "gulp-mocha": "^6.0.0",
     "jest": "^23.6.0",
-    "mathjs": "^5.2.0",
+    "mathjs": "^7.5.1",
     "mocha": "^5.2.0",
     "rollup": "^0.66.6"
   },