diff --git a/package-lock.json b/package-lock.json
index b15464d..49f5142 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1382,12 +1382,6 @@
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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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       "resolved": "https://registry.npmjs.org/@jest/environment/-/environment-26.6.2.tgz",
@@ -9470,12 +9464,12 @@
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-      "resolved": "https://registry.npmjs.org/jest-util/-/jest-util-26.6.1.tgz",
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+      "version": "26.6.2",
+      "resolved": "https://registry.npmjs.org/jest-util/-/jest-util-26.6.2.tgz",
+      "integrity": "sha512-MDW0fKfsn0OI7MS7Euz6h8HNDXVQ0gaM9uW6RjfDmd1DAFcaxX9OqIakHIqhbnmF08Cf2DLDG+ulq8YQQ0Lp0Q==",
       "dev": true,
       "requires": {
-        "@jest/types": "^26.6.1",
+        "@jest/types": "^26.6.2",
         "@types/node": "*",
         "chalk": "^4.0.0",
         "graceful-fs": "^4.2.4",
@@ -9484,9 +9478,9 @@
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-          "resolved": "https://registry.npmjs.org/@jest/types/-/types-26.6.1.tgz",
-          "integrity": "sha512-ywHavIKNpAVrStiRY5wiyehvcktpijpItvGiK72RAn5ctqmzvPk8OvKnvHeBqa1XdQr959CTWAJMqxI8BTibyg==",
+          "version": "26.6.2",
+          "resolved": "https://registry.npmjs.org/@jest/types/-/types-26.6.2.tgz",
+          "integrity": "sha512-fC6QCp7Sc5sX6g8Tvbmj4XUTbyrik0akgRy03yjXbQaBWWNWGE7SGtJk98m0N8nzegD/7SggrUlivxo5ax4KWQ==",
           "dev": true,
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@@ -9496,15 +9490,6 @@
             "chalk": "^4.0.0"
           }
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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": {
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           "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.3.0.tgz",
@@ -12507,12 +12492,11 @@
       "dev": true
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     "ts-jest": {
-      "version": "26.4.3",
-      "resolved": "https://registry.npmjs.org/ts-jest/-/ts-jest-26.4.3.tgz",
-      "integrity": "sha512-pFDkOKFGY+nL9v5pkhm+BIFpoAuno96ff7GMnIYr/3L6slFOS365SI0fGEVYx2RKGji5M2elxhWjDMPVcOCdSw==",
+      "version": "26.4.4",
+      "resolved": "https://registry.npmjs.org/ts-jest/-/ts-jest-26.4.4.tgz",
+      "integrity": "sha512-3lFWKbLxJm34QxyVNNCgXX1u4o/RV0myvA2y2Bxm46iGIjKlaY0own9gIckbjZJPn+WaJEnfPPJ20HHGpoq4yg==",
       "dev": true,
       "requires": {
-        "@jest/create-cache-key-function": "^26.5.0",
         "@types/jest": "26.x",
         "bs-logger": "0.x",
         "buffer-from": "1.x",
@@ -12539,9 +12523,9 @@
           "dev": true
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         "yargs-parser": {
-          "version": "20.2.3",
-          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-20.2.3.tgz",
-          "integrity": "sha512-emOFRT9WVHw03QSvN5qor9QQT9+sw5vwxfYweivSMHTcAXPefwVae2FjO7JJjj8hCE4CzPOPeFM83VwT29HCww==",
+          "version": "20.2.4",
+          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-20.2.4.tgz",
+          "integrity": "sha512-WOkpgNhPTlE73h4VFAFsOnomJVaovO8VqLDzy5saChRBFQFBoMYirowyW+Q9HB4HFF4Z7VZTiG3iSzJJA29yRA==",
           "dev": true
         }
       }
diff --git a/package.json b/package.json
index 34465b9..11bb15a 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
         "jest-circus": "^26.6.3",
         "npm-check-updates": "^10.2.2",
         "prettier": "^2.2.1",
-        "ts-jest": "^26.4.3",
+        "ts-jest": "^26.4.4",
         "typescript": "^4.1.2"
     }
 }