diff --git a/package-lock.json b/package-lock.json
index e0248e5..9965f4e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1334,6 +1334,12 @@
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+    "@jest/create-cache-key-function": {
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+      "resolved": "https://registry.npmjs.org/@jest/create-cache-key-function/-/create-cache-key-function-26.5.0.tgz",
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+      "dev": true
+    },
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       "version": "26.2.0",
       "resolved": "https://registry.npmjs.org/@jest/environment/-/environment-26.2.0.tgz",
@@ -9510,12 +9516,13 @@
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-      "resolved": "https://registry.npmjs.org/jest-util/-/jest-util-26.1.0.tgz",
-      "integrity": "sha512-rNMOwFQevljfNGvbzNQAxdmXQ+NawW/J72dmddsK0E8vgxXCMtwQ/EH0BiWEIxh0hhMcTsxwAxINt7Lh46Uzbg==",
+      "version": "26.6.1",
+      "resolved": "https://registry.npmjs.org/jest-util/-/jest-util-26.6.1.tgz",
+      "integrity": "sha512-xCLZUqVoqhquyPLuDXmH7ogceGctbW8SMyQVjD9o+1+NPWI7t0vO08udcFLVPLgKWcvc+zotaUv/RuaR6l8HIA==",
       "dev": true,
       "requires": {
-        "@jest/types": "^26.1.0",
+        "@jest/types": "^26.6.1",
+        "@types/node": "*",
         "chalk": "^4.0.0",
         "graceful-fs": "^4.2.4",
         "is-ci": "^2.0.0",
@@ -9523,24 +9530,33 @@
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-          "resolved": "https://registry.npmjs.org/@jest/types/-/types-26.1.0.tgz",
-          "integrity": "sha512-GXigDDsp6ZlNMhXQDeuy/iYCDsRIHJabWtDzvnn36+aqFfG14JmFV0e/iXxY4SP9vbXSiPNOWdehU5MeqrYHBQ==",
+          "version": "26.6.1",
+          "resolved": "https://registry.npmjs.org/@jest/types/-/types-26.6.1.tgz",
+          "integrity": "sha512-ywHavIKNpAVrStiRY5wiyehvcktpijpItvGiK72RAn5ctqmzvPk8OvKnvHeBqa1XdQr959CTWAJMqxI8BTibyg==",
           "dev": true,
           "requires": {
             "@types/istanbul-lib-coverage": "^2.0.0",
-            "@types/istanbul-reports": "^1.1.1",
+            "@types/istanbul-reports": "^3.0.0",
+            "@types/node": "*",
             "@types/yargs": "^15.0.0",
             "chalk": "^4.0.0"
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-        "ansi-styles": {
-          "version": "4.2.1",
-          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.2.1.tgz",
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+        "@types/istanbul-reports": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/@types/istanbul-reports/-/istanbul-reports-3.0.0.tgz",
+          "integrity": "sha512-nwKNbvnwJ2/mndE9ItP/zc2TCzw6uuodnF4EHYWD+gCQDVBuRQL5UzbZD0/ezy1iKsFU2ZQiDqg4M9dN4+wZgA==",
+          "dev": true,
+          "requires": {
+            "@types/istanbul-lib-report": "*"
+          }
+        },
+        "ansi-styles": {
+          "version": "4.3.0",
+          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.3.0.tgz",
+          "integrity": "sha512-zbB9rCJAT1rbjiVDb2hqKFHNYLxgtk8NURxZ3IZwD3F6NtxbXZQCnnSi1Lkx+IDohdPlFp222wVALIheZJQSEg==",
           "dev": true,
           "requires": {
-            "@types/color-name": "^1.1.1",
             "color-convert": "^2.0.1"
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@@ -9610,9 +9626,9 @@
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-          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.1.0.tgz",
-          "integrity": "sha512-oRSIpR8pxT1Wr2FquTNnGet79b3BWljqOuoW/h4oBhxJ/HUbX5nX6JSruTkvXDCFMwDPvsaTTbvMLKZWSy0R5g==",
+          "version": "7.2.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.2.0.tgz",
+          "integrity": "sha512-qpCAvRl9stuOHveKsn7HncJRvv501qIacKzQlO/+Lwxc9+0q2wLyv4Dfvt80/DPn2pqOBsJdDiogXGR9+OvwRw==",
           "dev": true,
           "requires": {
             "has-flag": "^4.0.0"
@@ -12607,21 +12623,23 @@
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     "ts-jest": {
-      "version": "26.1.4",
-      "resolved": "https://registry.npmjs.org/ts-jest/-/ts-jest-26.1.4.tgz",
-      "integrity": "sha512-Nd7diUX6NZWfWq6FYyvcIPR/c7GbEF75fH1R6coOp3fbNzbRJBZZAn0ueVS0r8r9ral1VcrpneAFAwB3TsVS1Q==",
+      "version": "26.4.3",
+      "resolved": "https://registry.npmjs.org/ts-jest/-/ts-jest-26.4.3.tgz",
+      "integrity": "sha512-pFDkOKFGY+nL9v5pkhm+BIFpoAuno96ff7GMnIYr/3L6slFOS365SI0fGEVYx2RKGji5M2elxhWjDMPVcOCdSw==",
       "dev": true,
       "requires": {
+        "@jest/create-cache-key-function": "^26.5.0",
+        "@types/jest": "26.x",
         "bs-logger": "0.x",
         "buffer-from": "1.x",
         "fast-json-stable-stringify": "2.x",
-        "jest-util": "26.x",
+        "jest-util": "^26.1.0",
         "json5": "2.x",
         "lodash.memoize": "4.x",
         "make-error": "1.x",
         "mkdirp": "1.x",
         "semver": "7.x",
-        "yargs-parser": "18.x"
+        "yargs-parser": "20.x"
       },
       "dependencies": {
         "mkdirp": {
@@ -12635,6 +12653,12 @@
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           "dev": true
+        },
+        "yargs-parser": {
+          "version": "20.2.3",
+          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-20.2.3.tgz",
+          "integrity": "sha512-emOFRT9WVHw03QSvN5qor9QQT9+sw5vwxfYweivSMHTcAXPefwVae2FjO7JJjj8hCE4CzPOPeFM83VwT29HCww==",
+          "dev": true
         }
       }
     },
diff --git a/package.json b/package.json
index 2309ad7..467b913 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
         "jest-circus": "^26.6.1",
         "npm-check-updates": "^7.0.2",
         "prettier": "^2.0.5",
-        "ts-jest": "^26.1.4",
+        "ts-jest": "^26.4.3",
         "typescript": "^3.9.7"
     }
 }